| Oad Street |
Kent ME9 |
| Oadby |
Harborough Leicestershire LE2 |
| Oadby |
Oadby and Wigston Leicestershire LE2 |
| Oak Cross |
Oadby and Wigston Devon EX20 |
| Oakamoor |
East Staffordshire Staffordshire ST10 |
| Oakamoor |
Staffordshire Moorlands Staffordshire ST10 |
| Oakbank |
Staffordshire Moorlands Lothians EH53 |
| Oakdale |
Poole Dorset BH15 |
| Oakdale |
Poole Gwent and Glamorgan NP12 |
| Oakdale Business Park |
Poole Gwent and Glamorgan NP12 |
| Oake |
Taunton Deane Somerset TA4 |
| Oaken |
South Staffordshire Staffordshire WV8 |
| Oakenclough |
Wyre Lancashire PR3 |
| Oakengates |
Telford and Wrekin Shropshire TF2 |
| Oakenhead |
Telford and Wrekin Moray IV31 |
| Oakenholt |
Telford and Wrekin Flintshire CH6 |
| Oakenshaw |
Wear Valley County Durham DL15 |
| Oakenshaw |
Bradford West Yorkshire BD12 |
| Oakenshaw |
Kirklees West Yorkshire BD12 |
| Oakerswood |
Purbeck Dorset DT2 |
| Oakerthorpe |
Amber Valley Derbyshire DE55 |
| Oakerthorpe |
North East Derbyshire Derbyshire DE55 |
| Oakes |
Kirklees West Yorkshire HD3 |
| Oakfield |
Boho, Cleenish and Letterbreen County Fermanagh BT92 |
| Oakfield |
Boho, Cleenish and Letterbreen Monmouthshire NP44 |
| Oakfield |
Boho, Cleenish and Letterbreen Isle of Wight PO33 |
| Oakford |
Mid Devon Devon EX16 |
| Oakford |
North Devon Devon EX16 |
| Oakford |
North Devon Dyfed SA47 |
| Oakgrove |
North Devon Cheshire SK11 |
| Oakham |
North Devon Rutland LE15 |
| Oakhanger |
Crewe and Nantwich Cheshire CW1 |
| Oakhanger |
East Hampshire Hampshire GU35 |
| Oakhill |
Milton Keynes Buckinghamshire MK5 |
| Oakhill |
Mendip Somerset BA3 |
| Oakington |
South Cambridgeshire Cambridgeshire CB24 |
| Oaklands |
St Albans Hertfordshire AL4 |
| Oakle Street |
St Albans Gloucestershire GL2 |
| Oakleigh Park |
St Albans Greater London N20 |
| Oakley |
Basingstoke and Deane Hampshire RG23 |
| Oakley |
Aylesbury Vale Buckinghamshire HP18 |
| Oakley |
Bedford Bedfordshire MK43 |
| Oakley |
Newcastle-under-Lyme Staffordshire TF9 |
| Oakley |
Mid Suffolk Suffolk IP21 |
| Oakley |
South Norfolk Norfolk IP21 |
| Oakley |
South Norfolk Fife KY12 |
| Oakley Folly |
Newcastle-under-Lyme Staffordshire TF9 |
| Oakley Green |
Windsor and Maidenhead Berkshire SL4 |
| Oakley Park |
Windsor and Maidenhead Powys SY17 |
| Oakley Park |
Windsor and Maidenhead Powys SY18 |
| Oakmere |
Vale Royal Cheshire CW8 |
| Oakridge |
Stroud Gloucestershire GL6 |
| Oakridge Lynch |
Stroud Gloucestershire GL6 |
| Oaksey |
North Wiltshire Wiltshire SN16 |
| Oakshaw Ford |
North Wiltshire Cumbria CA6 |
| Oakthorpe |
South Derbyshire Derbyshire DE12 |
| Oakthorpe |
North West Leicestershire Leicestershire DE12 |
| Oaktree Hill |
North West Leicestershire North Yorkshire DL6 |
| Oakwood |
South Shropshire Shropshire SY6 |
| Oakwood |
Tynedale Northumberland NE46 |
| Oakwood |
Derby Derbyshire DE21 |
| Oakwood |
Chichester West Sussex PO18 |
| Oakwood Park |
Chichester Conwy LL32 |
| Oakwoodhill |
Chichester Surrey RH5 |
| Oakworth |
Craven North Yorkshire BD22 |
| Oakworth |
Bradford West Yorkshire BD22 |
| Oalinlongart |
Bradford Argyll and Bute PA23 |
| Oare |
West Somerset Somerset EX35 |
| Oare |
Swale Kent ME13 |
| Oare |
Kennet Wiltshire SN8 |
| Oasby |
South Kesteven Lincolnshire NG32 |
| Oatfield |
South Kesteven Argyll and Bute PA28 |
| Oathe |
South Somerset Somerset TA7 |
| Oathill |
West Dorset Dorset TA18 |
| Oathills |
Chester Cheshire SY14 |
| Oathlaw |
Chester Dundee and Angus DD8 |
| Oban |
Chester Argyll and Bute PA34 |
| Obley |
South Shropshire Shropshire SY7 |
| Oborne |
West Dorset Dorset DT9 |
| Oby |
Great Yarmouth Norfolk NR29 |
| Occaney |
Harrogate North Yorkshire HG3 |
| Occleston |
Vale Royal Cheshire CW10 |
| Occlestone Green |
Vale Royal Cheshire CW10 |
| Occold |
Mid Suffolk Suffolk IP23 |
| Occumster |
Mid Suffolk Highland KW3 |
| Ocean Village |
Southampton Hampshire SO14 |
| Ochiltree |
Southampton Ayrshire KA18 |
| Ochrwyth |
Southampton Gwent and Glamorgan NP11 |
| Ochr-y-Mynydd |
Southampton Gwent and Glamorgan CF48 |
| Ochtermuthill |
Southampton Perth and Kinross PH5 |
| Ochtertyre |
Southampton Stirling FK9 |
| Ochtertyre |
Southampton Perth and Kinross PH7 |
| Ockbrook |
Erewash Derbyshire DE72 |
| Ocker Hill |
Sandwell West Midlands DY4 |
| Ockham |
Guildford Surrey GU23 |
| Ockle |
Guildford Highland PH36 |
| Ockley |
Mole Valley Surrey RH5 |
| Ocle Pychard |
Mole Valley Herefordshire HR1 |
| Octon |
East Riding of Yorkshire East Yorkshire YO25 |
| Odcombe |
East Riding of Yorkshire Somerset BA22 |
| Odd Down |
East Riding of Yorkshire City of Bristol BA2 |
| Oddingley |
Wychavon Worcestershire WR9 |
| Oddington |
Cotswold Gloucestershire GL56 |
| Oddington |
Cherwell Oxfordshire OX5 |
| Oddsta |
Cherwell Shetland Islands ZE2 |
| Odell |
Bedford Bedfordshire MK43 |
| Odiham |
Hart Hampshire RG29 |
| Odsey |
North Hertfordshire Hertfordshire SG7 |
| Odsey |
South Cambridgeshire Cambridgeshire SG7 |
| Odstock |
Salisbury Wiltshire SP5 |
| Odstone |
Hinckley and Bosworth Leicestershire CV13 |
| Offchurch |
Warwick Warwickshire CV33 |
| Offenham |
Wychavon Worcestershire WR11 |
| Offerton |
Wychavon Greater Manchester SK2 |
| Offham |
Tonbridge and Malling Kent ME19 |
| Offham |
Lewes East Sussex BN7 |
| Offley |
North Hertfordshire Hertfordshire SG5 |
| Offord Cluny |
Huntingdonshire Cambridgeshire PE19 |
| Offord D'arcy |
Huntingdonshire Cambridgeshire PE19 |
| Offton |
Mid Suffolk Suffolk IP8 |
| Offwell |
East Devon Devon EX14 |
| Ogbourne Maizey |
Kennet Wiltshire SN8 |
| Ogbourne St Andrew |
Kennet Wiltshire SN8 |
| Ogbourne St George |
Kennet Wiltshire SN8 |
| Ogden |
Calderdale West Yorkshire HX2 |
| Ogdens |
New Forest Hampshire SP6 |
| Oghill |
Kesh, Ederney and Lack County Fermanagh BT93 |
| Oghill |
Lisnarrick County Fermanagh BT94 |
| Oghill |
Maguires Bridge County Fermanagh BT92 |
| Oghillicartan |
Kesh, Ederney and Lack County Fermanagh BT93 |
| Ogil |
Kesh, Ederney and Lack Dundee and Angus DD8 |
| Ogle |
Castle Morpeth Northumberland NE20 |
| Ogmore |
Castle Morpeth Gwent and Glamorgan CF32 |
| Ogmore Vale |
Castle Morpeth Gwent and Glamorgan CF32 |
| Ogmore-by-Sea |
Castle Morpeth Gwent and Glamorgan CF32 |
| Ogwell |
Teignbridge Devon TQ12 |
| Oil Terminal |
Teignbridge Orkney Islands KW16 |
| Okeford Fitzpaine |
North Dorset Dorset DT11 |
| Okehampton |
West Devon Devon EX20 |
| Okehampton Camp |
West Devon Devon EX20 |
| Okeover |
East Staffordshire Staffordshire DE6 |
| Oker |
Derbyshire Dales Derbyshire DE4 |
| Okewood Hill |
Mole Valley Surrey RH5 |
| Okewood Hill |
Horsham West Sussex RH5 |
| Okraquoy |
Horsham Shetland Islands ZE2 |
| Olchard |
Teignbridge Devon TQ12 |
| Old |
Daventry Northamptonshire NN6 |
| Old |
Kettering Northamptonshire NN6 |
| Old Aberdeen |
Kettering Aberdeenshire AB24 |
| Old Alresford |
Winchester Hampshire SO24 |
| Old Alresford |
Basingstoke and Deane Hampshire SO24 |
| Old Arley |
Basingstoke and Deane Warwickshire CV7 |
| Old Barr |
Derrygonnelly County Fermanagh BT93 |
| Old Basford |
Nottingham Nottinghamshire NG6 |
| Old Basing |
Basingstoke and Deane Hampshire RG24 |
| Old Bewick |
Berwick-upon-Tweed Northumberland NE66 |
| Old Bolingbroke |
East Lindsey Lincolnshire PE23 |
| Old Boston Trading Estate |
St Helens Merseyside WA11 |
| Old Brampton |
North East Derbyshire Derbyshire S42 |
| Old Bridge of Tilt |
North East Derbyshire Perth and Kinross PH18 |
| Old Bridge of Urr |
North East Derbyshire Dumfries and Galloway DG7 |
| Old Brookend |
Stroud Gloucestershire GL13 |
| Old Buckenham |
Breckland Norfolk NR17 |
| Old Burghclere |
Basingstoke and Deane Hampshire RG20 |
| Old Byland |
Ryedale North Yorkshire YO62 |
| Old Cassop |
Durham County Durham DH6 |
| Old Catton |
Broadland Norfolk NR6 |
| Old Chalford |
West Oxfordshire Oxfordshire OX7 |
| Old Church Stoke |
West Oxfordshire Powys SY15 |
| Old Clee |
North East Lincolnshire Lincolnshire DN32 |
| Old Cleeve |
West Somerset Somerset TA24 |
| Old Clipstone |
Newark and Sherwood Nottinghamshire NG21 |
| Old Colwall |
Newark and Sherwood Herefordshire WR13 |
| Old Colwall |
Malvern Hills Worcestershire WR13 |
| Old Colwyn |
Malvern Hills Conwy LL29 |
| Old Craig |
Malvern Hills Aberdeenshire AB41 |
| Old Craighall |
Malvern Hills Lothians EH21 |
| Old Crombie |
Malvern Hills Aberdeenshire AB54 |
| Old Dailly |
Malvern Hills Ayrshire KA26 |
| Old Dalby |
Melton Leicestershire LE14 |
| Old Deer |
Melton Aberdeenshire AB42 |
| Old Denaby |
Doncaster South Yorkshire DN12 |
| Old Derry Hill |
North Wiltshire Wiltshire SN11 |
| Old Dilton |
West Wiltshire Wiltshire BA13 |
| Old Down |
South Gloucestershire Gloucestershire BS32 |
| Old Edlington |
Doncaster South Yorkshire DN12 |
| Old Eldon |
Sedgefield County Durham DL4 |
| Old Ellerby |
East Riding of Yorkshire East Yorkshire HU11 |
| Old Farm Park |
Milton Keynes Buckinghamshire MK7 |
| Old Felixstowe |
Milton Keynes Suffolk IP11 |
| Old Fletton |
Peterborough Cambridgeshire PE2 |
| Old Ford |
Peterborough Greater London E3 |
| Old Furnace |
Peterborough Monmouthshire NP4 |
| Old Glossop |
Peterborough Derbyshire SK13 |
| Old Goginan |
Peterborough Dyfed SY23 |
| Old Goole |
Peterborough East Yorkshire DN14 |
| Old Gore |
Peterborough Herefordshire HR9 |
| Old Hall |
Warrington Cheshire WA5 |
| Old Hall |
Warrington Powys SY18 |
| Old Hall Green |
East Hertfordshire Hertfordshire SG11 |
| Old Hall Industrial Estate |
Wirral Merseyside CH62 |
| Old Hartley |
Blyth Valley Northumberland NE26 |
| Old Hawkinge |
Shepway Kent CT18 |
| Old Heath |
Shepway Essex CO2 |
| Old Heathfield |
Wealden East Sussex TN21 |
| Old Hill |
Wealden West Midlands B64 |
| Old Hinchwick |
Cotswold Gloucestershire GL54 |
| Old Hurst |
Huntingdonshire Cambridgeshire PE28 |
| Old Hutton |
South Lakeland Cumbria LA8 |
| Old Kea |
Carrick Cornwall TR3 |
| Old Kent Road |
Carrick Greater London SE1 |
| Old Kilpatrick |
Carrick Glasgow Area G60 |
| Old Kinnernie |
Carrick Aberdeenshire AB32 |
| Old Knebworth |
North Hertfordshire Hertfordshire SG3 |
| Old Lackenby |
Redcar and Cleveland North Yorkshire TS6 |
| Old Lakenham |
South Norfolk Norfolk NR1 |
| Old Langho |
Ribble Valley Lancashire BB6 |
| Old Largoward |
Ribble Valley Fife KY9 |
| Old Leake |
Boston Lincolnshire PE22 |
| Old Leggs |
Belleek and Boa County Fermanagh BT93 |
| Old Leslie |
Belleek and Boa Aberdeenshire AB52 |
| Old Malton |
Ryedale North Yorkshire YO17 |
| Old Marston |
Oxford Oxfordshire OX3 |
| Old Marston |
South Oxfordshire Oxfordshire OX3 |
| Old Marton |
North Shropshire Shropshire SY12 |
| Old Micklefield |
North Shropshire West Yorkshire LS25 |
| Old Mill |
North Cornwall Cornwall PL17 |
| Old Milverton |
Warwick Warwickshire CV32 |
| Old Minnigaff |
Warwick Dumfries and Galloway DG8 |
| Old Neighbouring |
Stroud Gloucestershire GL6 |
| Old Netley |
Stroud Hampshire SO31 |
| Old Newton |
Mid Suffolk Suffolk IP14 |
| Old Oak Common |
Mid Suffolk Greater London NW10 |
| Old Park |
Telford and Wrekin Shropshire TF3 |
| Old Penshaw |
Sunderland Tyne and Wear DH4 |
| Old Penygarn |
Sunderland Monmouthshire NP4 |
| Old Perceton |
Sunderland Ayrshire KA11 |
| Old Philpstoun |
Sunderland Lothians EH49 |
| Old Pit |
Durham County Durham DH1 |
| Old Plean |
Durham Stirling FK7 |
| Old Portlethen |
Durham Aberdeenshire AB1 |
| Old Pound |
Restormel Cornwall PL26 |
| Old Quarrington |
Durham County Durham DH6 |
| Old Racecourse |
Oswestry Shropshire SY10 |
| Old Radnor |
Oswestry Powys LD8 |
| Old Rattray |
Oswestry Aberdeenshire AB42 |
| Old Ravensworth |
Gateshead Tyne and Wear NE11 |
| Old Rayne |
Gateshead Aberdeenshire AB52 |
| Old Rhosrobin |
Gateshead Wrexham LL11 |
| Old Roan |
Sefton Merseyside L10 |
| Old Romney |
Shepway Kent TN29 |
| Old Sarum |
Salisbury Wiltshire SP4 |
| Old Sauchie |
Salisbury Stirling FK7 |
| Old Scone |
Salisbury Perth and Kinross PH2 |
| Old Shields |
Salisbury Lanarkshire G67 |
| Old Shifford |
West Oxfordshire Oxfordshire OX29 |
| Old Shorthill |
Shrewsbury and Atcham Shropshire SY5 |
| Old Shotton |
Easington County Durham SR8 |
| Old Skellow |
Doncaster South Yorkshire DN6 |
| Old Snydale |
Wakefield West Yorkshire WF7 |
| Old Sodbury |
South Gloucestershire Gloucestershire BS37 |
| Old Somerby |
South Kesteven Lincolnshire NG33 |
| Old South Moor |
Derwentside County Durham DH9 |
| Old Springs |
Newcastle-under-Lyme Staffordshire TF9 |
| Old St Mellons |
Newcastle-under-Lyme Gwent and Glamorgan CF3 |
| Old St Mellons |
Newcastle-under-Lyme Gwent and Glamorgan CF3 |
| Old Storridge |
Malvern Hills Worcestershire WR6 |
| Old Stratford |
South Northamptonshire Northamptonshire MK19 |
| Old Street |
South Northamptonshire Greater London EC1 |
| Old Sunderlandwick |
South Northamptonshire East Yorkshire YO25 |
| Old Swan |
Liverpool Merseyside L13 |
| Old Swarland |
Liverpool Northumberland NE65 |
| Old Swinford |
Liverpool West Midlands DY8 |
| Old Tebay |
Eden Cumbria CA10 |
| Old Tinhay |
West Devon Devon PL16 |
| Old Toll |
West Devon Ayrshire KA6 |
| Old Town |
Cotswold Gloucestershire GL56 |
| Old Town |
Eastbourne East Sussex BN20 |
| Old Town |
Eastbourne East Sussex BN21 |
| Old Town |
Isles of Scilly Isles of Scilly TR21 |
| Old Town |
Isles of Scilly Borders TD14 |
| Old Town |
Stratford-on-Avon Warwickshire CV37 |
| Old Trafford |
Trafford Cheshire M16 |
| Old Trafford |
Manchester Greater Manchester M16 |
| Old Tupton |
North East Derbyshire Derbyshire S42 |
| Old Wall |
Carlisle Cumbria CA6 |
| Old Walls |
Carlisle Swansea SA3 |
| Old Warden |
Mid Bedfordshire Bedfordshire SG18 |
| Old Weston |
Huntingdonshire Cambridgeshire PE28 |
| Old Whittington |
Chesterfield Derbyshire S41 |
| Old Windsor |
Windsor and Maidenhead Berkshire SL4 |
| Old Windsor |
Runnymede Surrey SL4 |
| Old Wives Lees |
Ashford Kent CT4 |
| Old Woking |
Woking Surrey GU22 |
| Old Wolverton |
Milton Keynes Buckinghamshire MK12 |
| Old Woodhall |
East Lindsey Lincolnshire LN9 |
| Old Woodhouses |
North Shropshire Shropshire SY13 |
| Old Woods |
Shrewsbury and Atcham Shropshire SY4 |
| Oldberrow |
Shrewsbury and Atcham Warwickshire B95 |
| Oldborough |
Shrewsbury and Atcham Devon EX17 |
| Oldbrook |
Milton Keynes Buckinghamshire MK6 |
| Oldbury |
Bridgnorth Shropshire WV16 |
| Oldbury |
North Warwickshire Warwickshire CV10 |
| Oldbury |
Sandwell West Midlands B68 |
| Oldbury |
Sandwell West Midlands B69 |
| Oldbury Naite |
South Gloucestershire Gloucestershire BS35 |
| Oldbury on the Hill |
South Gloucestershire Gloucestershire GL9 |
| Oldbury-on-Severn |
South Gloucestershire Gloucestershire BS35 |
| Oldcastle |
Chester Cheshire SY14 |
| Oldcastle Heath |
Chester Cheshire SY14 |
| Oldcotes |
Bassetlaw Nottinghamshire S81 |
| Oldcroft |
Forest of Dean Gloucestershire GL15 |
| Oldends |
Stroud Gloucestershire GL10 |
| Oldfield |
Bradford West Yorkshire BD22 |
| Oldfields |
North Shropshire Shropshire TF9 |
| Oldford |
Mendip Somerset BA11 |
| Oldhall |
Mendip Highland KW1 |
| Oldhall |
Mendip Aberdeenshire AB34 |
| Oldhall West Industrial Estate |
Mendip Ayrshire KA11 |
| Oldham |
Oldham Lancashire OL1 |
| Oldham |
Oldham Lancashire OL4 |
| Oldham |
Oldham Lancashire OL8 |
| Oldham |
Oldham Lancashire OL9 |
| Oldham |
Oldham Lancashire OL95 |
| Oldhamstocks |
Oldham Borders TD13 |
| Oldhamstocks |
Oldham Lothians TD13 |
| Oldhurst |
Oldham Cambridgeshire pe27 |
| Oldington |
Bridgnorth Shropshire WV15 |
| Oldland |
Bridgnorth Gloucestershire BS30 |
| Oldland Common |
South Gloucestershire Gloucestershire BS30 |
| Oldmeldrum |
South Gloucestershire Aberdeenshire AB51 |
| Oldmill |
South Gloucestershire Aberdeenshire AB31 |
| Oldpark |
South Gloucestershire Shropshire TF3 |
| Oldridge |
South Gloucestershire Devon EX4 |
| Oldshore Beg |
South Gloucestershire Highland IV27 |
| Oldshoremore |
South Gloucestershire Highland IV27 |
| Oldstead |
Ryedale North Yorkshire YO61 |
| Oldtown of Aigas |
Ryedale Highland IV4 |
| Oldtown of Ord |
Ryedale Aberdeenshire AB45 |
| Oldwalls |
Ryedale Gwent and Glamorgan SA3 |
| Oldways End |
Ryedale Devon EX16 |
| Oldwhat |
Ryedale Aberdeenshire AB53 |
| Oldwood |
Malvern Hills Worcestershire WR15 |
| Oldwood Common |
Malvern Hills Worcestershire WR15 |
| Olgrinmore |
Malvern Hills Highland KW12 |
| Oliver |
Malvern Hills Borders ML12 |
| Oliver's Battery |
Malvern Hills Hampshire SO22 |
| Ollaberry |
Malvern Hills Shetland Islands ZE2 |
| Ollerton |
Macclesfield Cheshire WA16 |
| Ollerton |
Newark and Sherwood Nottinghamshire NG22 |
| Ollerton |
North Shropshire Shropshire TF9 |
| Ollerton Post |
North Shropshire Shropshire TF9 |
| Olney |
Milton Keynes Buckinghamshire MK46 |
| Olton |
Milton Keynes West Midlands B92 |
| Olveston |
South Gloucestershire Gloucestershire BS35 |
| Olympia |
South Gloucestershire Greater London W14 |
| Omagh |
South Gloucestershire County Tyrone BT78 |
| Omagh |
South Gloucestershire County Tyrone BT79 |
| Ombersley |
Wychavon Worcestershire WR9 |
| Ompton |
Newark and Sherwood Nottinghamshire NG22 |
| Onchan |
Newark and Sherwood Isle of Man IM2 |
| Onchan |
Newark and Sherwood Isle of Man IM3 |
| Onchan |
Newark and Sherwood Isle of Man IM4 |
| Onecote |
Staffordshire Moorlands Staffordshire ST13 |
| Onehouse |
Mid Suffolk Suffolk IP14 |
| Ongar |
Brentwood Essex CM5 |
| Ongar |
Epping Forest Essex CM5 |
| Ongar Hill |
Epping Forest Norfolk PE34 |
| Ongar Street |
Epping Forest Herefordshire HR6 |
| Onibury |
South Shropshire Shropshire SY7 |
| Onibury |
South Shropshire Herefordshire SY7 |
| Onich |
South Shropshire Highland PH33 |
| Onllwyn |
South Shropshire Powys SA10 |
| Onllwyn |
South Shropshire Gwent and Glamorgan SA10 |
| Onneley |
Newcastle-under-Lyme Staffordshire CW3 |
| Onneley |
North Shropshire Shropshire CW3 |
| Onslow |
Shrewsbury and Atcham Shropshire SY3 |
| Onslow Village |
Guildford Surrey GU2 |
| Openshaw |
Manchester Greater Manchester M11 |
| Opinan |
Manchester Highland IV21 |
| Opinan |
Manchester Highland IV22 |
| Ora Beg |
Boho, Cleenish and Letterbreen County Fermanagh BT93 |
| Orange Lane |
Boho, Cleenish and Letterbreen Borders TD12 |
| Orbiston |
Boho, Cleenish and Letterbreen Lanarkshire ML4 |
| Orbliston |
Boho, Cleenish and Letterbreen Moray IV32 |
| Orbost |
Boho, Cleenish and Letterbreen Highland IV55 |
| Orby |
East Lindsey Lincolnshire PE23 |
| Orby |
East Lindsey Lincolnshire PE24 |
| Orcadia |
East Lindsey Argyll and Bute PA20 |
| Orchard |
East Lindsey Argyll and Bute PA23 |
| Orchard Leigh |
Chiltern Buckinghamshire HP5 |
| Orchard Portman |
Taunton Deane Somerset TA3 |
| Orchard Wyndham |
Taunton Deane Somerset TA4 |
| Orchardbank Business Park |
Taunton Deane Dundee and Angus DD8 |
| Orchardleigh |
Mendip Somerset BA11 |
| Orcheston |
Salisbury Wiltshire SP3 |
| Orcop |
Salisbury Herefordshire HR2 |
| Orcop Hill |
Salisbury Herefordshire HR2 |
| Ord |
Salisbury Highland IV44 |
| Ord |
Salisbury Highland IV6 |
| Ordhead |
Salisbury Aberdeenshire AB51 |
| Ordie |
Salisbury Aberdeenshire AB34 |
| Ordiequish |
Salisbury Moray IV32 |
| Ordsall |
Bassetlaw Nottinghamshire DN22 |
| Ore |
Bassetlaw East Sussex TN35 |
| Oreham Common |
Bassetlaw West Sussex BN5 |
| Oreston |
Plymouth Devon PL9 |
| Oreton |
Bridgnorth Shropshire DY14 |
| Orford |
Suffolk Coastal Suffolk IP12 |
| Orford |
West Lindsey Lincolnshire LN8 |
| Organford |
Purbeck Dorset BH16 |
| Orgreave |
Purbeck Staffordshire DE13 |
| Orielton |
Purbeck Pembrokeshire SA71 |
| Orinsay |
Purbeck Western Isles HS2 |
| Orion Business Park |
North Tyneside Tyne and Wear NE29 |
| Orkney |
North Tyneside Orkney Islands KW17 |
| Orleton |
North Tyneside Herefordshire SY8 |
| Orleton Common |
North Tyneside Herefordshire SY8 |
| Orlingbury |
Wellingborough Northamptonshire NN14 |
| Ormathwaite |
Allerdale Cumbria CA12 |
| Ormeau |
Allerdale County Antrim BT7 |
| Ormesby |
Middlesbrough North Yorkshire TS3 |
| Ormesby |
Middlesbrough North Yorkshire TS7 |
| Ormesby |
Redcar and Cleveland North Yorkshire TS7 |
| Ormesby |
Great Yarmouth Norfolk NR29 |
| Ormesby St Margaret |
Great Yarmouth Norfolk NR29 |
| Ormesby St Michael |
Great Yarmouth Norfolk NR29 |
| Ormiclate |
Great Yarmouth Western Isles HS8 |
| Ormiscaig |
Great Yarmouth Highland IV22 |
| Ormiston |
Great Yarmouth Lothians EH35 |
| Ormsaigmore |
Great Yarmouth Highland PH36 |
| Ormsary |
Great Yarmouth Argyll and Bute PA31 |
| Ormsdale |
Great Yarmouth Argyll and Bute PA22 |
| Ormside |
Eden Cumbria CA16 |
| Ormskirk |
West Lancashire Lancashire L39 |
| Ormskirk |
West Lancashire Lancashire L40 |
| Ormwe |
West Lancashire Highland KW14 |
| Orphir |
West Lancashire Orkney Islands KW16 |
| Orphir |
West Lancashire Orkney Islands KW17 |
| Orpington |
Bromley Kent BR5 |
| Orpington |
Bromley Kent BR6 |
| Orpington |
Sevenoaks Kent BR6 |
| Orrell |
West Lancashire Lancashire WN5 |
| Orrell |
Wigan Lancashire WN5 |
| Orrell Park |
Liverpool Merseyside L9 |
| Orrisdale |
Liverpool Isle of Man IM6 |
| Orrok Ho. |
Liverpool Aberdeenshire AB23 |
| Orroland |
Liverpool Dumfries and Galloway DG6 |
| Orsett |
Thurrock Essex RM16 |
| Orslow |
South Staffordshire Staffordshire TF10 |
| Orston |
Rushcliffe Nottinghamshire NG13 |
| Orton |
Kettering Northamptonshire NN14 |
| Orton |
Eden Cumbria CA10 |
| Orton |
Eden Moray IV32 |
| Orton Brimbles |
Peterborough Cambridgeshire PE2 |
| Orton Goldhay |
Peterborough Cambridgeshire PE2 |
| Orton Grange |
Carlisle Cumbria CA5 |
| Orton Longueville |
Peterborough Cambridgeshire PE2 |
| Orton Malborne |
Peterborough Cambridgeshire PE2 |
| Orton Northgate |
Peterborough Cambridgeshire PE2 |
| Orton Park |
Carlisle Cumbria CA5 |
| Orton Rigg |
Carlisle Cumbria CA5 |
| Orton Southgate |
Peterborough Cambridgeshire PE2 |
| Orton Waterville |
Peterborough Cambridgeshire PE2 |
| Orton Wistow |
Peterborough Cambridgeshire PE2 |
| Orton-on-the-Hill |
Hinckley and Bosworth Leicestershire CV9 |
| Orwell |
South Cambridgeshire Cambridgeshire SG8 |
| Osbaldeston |
Ribble Valley Lancashire BB2 |
| Osbaldwick |
York North Yorkshire YO10 |
| Osbaldwick |
York North Yorkshire YO19 |
| Osbaldwick |
York North Yorkshire YO31 |
| Osbaston |
Hinckley and Bosworth Leicestershire CV13 |
| Osbaston |
Oswestry Shropshire SY10 |
| Osbaston |
Telford and Wrekin Shropshire TF6 |
| Osbaston |
Telford and Wrekin Monmouthshire NP25 |
| Osberton |
Bassetlaw Nottinghamshire S81 |
| Osborne |
Bassetlaw Isle of Wight PO32 |
| Osbournby |
North Kesteven Lincolnshire NG34 |
| Oscroft |
Chester Cheshire CH3 |
| Ose |
Chester Highland IV56 |
| Osea Island |
Maldon Essex CM9 |
| Osgathorpe |
North West Leicestershire Leicestershire LE12 |
| Osgodby |
West Lindsey Lincolnshire LN8 |
| Osgodby |
South Kesteven Lincolnshire NG33 |
| Osgodby |
Selby North Yorkshire YO8 |
| Osgoodby |
Hambleton North Yorkshire YO7 |
| Osidge |
Hambleton Greater London N14 |
| Oskaig |
Hambleton Highland IV40 |
| Osleston |
South Derbyshire Derbyshire DE6 |
| Osmaston |
Derbyshire Dales Derbyshire DE6 |
| Osmere |
North Shropshire Shropshire SY13 |
| Osmington |
West Dorset Dorset DT3 |
| Osmington Mills |
West Dorset Dorset DT3 |
| Osmotherley |
Hambleton North Yorkshire DL6 |
| Osney |
Hambleton Oxfordshire OX2 |
| Ospringe |
Swale Kent ME13 |
| Ossemsley |
New Forest Hampshire BH23 |
| Ossemsley |
New Forest Hampshire BH25 |
| Ossett |
Wakefield West Yorkshire WF5 |
| Ossett |
Kirklees West Yorkshire WF5 |
| Ossington |
Newark and Sherwood Nottinghamshire NG23 |
| Ostend |
Newark and Sherwood Essex CM0 |
| Osterley |
Newark and Sherwood Greater London TW7 |
| Osterley Park |
Newark and Sherwood Greater London TW7 |
| Oswaldkirk |
Ryedale North Yorkshire YO62 |
| Oswaldtwistle |
Hyndburn Lancashire BB5 |
| Oswestry |
Oswestry Shropshire SY10 |
| Oswestry |
Oswestry Shropshire SY11 |
| Oteley |
North Shropshire Shropshire SY12 |
| Otford |
Sevenoaks Kent TN14 |
| Otham |
Maidstone Kent ME15 |
| Othery |
Sedgemoor Somerset TA7 |
| Otley |
Suffolk Coastal Suffolk IP6 |
| Otley |
Harrogate North Yorkshire LS21 |
| Otley |
Leeds West Yorkshire LS21 |
| Otley |
Bradford West Yorkshire LS21 |
| Otter |
Bradford Argyll and Bute PA21 |
| Otter Ferry |
Bradford Argyll and Bute PA21 |
| Otterbourne |
Winchester Hampshire SO21 |
| Otterburn |
Alnwick Northumberland NE19 |
| Otterburn |
Tynedale Northumberland NE19 |
| Otterburn Camp |
Tynedale Northumberland NE19 |
| Otterden |
Swale Kent ME13 |
| Otterden |
Maidstone Kent ME13 |
| Otterden Place |
Maidstone Kent ME13 |
| Otterford |
Taunton Deane Somerset TA20 |
| Otterham |
North Cornwall Cornwall PL32 |
| Otterhampton |
Sedgemoor Somerset TA5 |
| Ottershaw |
Runnymede Surrey KT16 |
| Otterswick |
Runnymede Shetland Islands ZE2 |
| Otterton |
East Devon Devon EX9 |
| Ottery St Mary |
East Devon Devon EX11 |
| Ottinge |
Shepway Kent CT4 |
| Ottringham |
East Riding of Yorkshire East Yorkshire HU12 |
| Oughterby |
Allerdale Cumbria CA5 |
| Oughterdrum |
Belleek and Boa County Fermanagh BT93 |
| Oughtershaw |
Craven North Yorkshire BD23 |
| Oughterside |
Allerdale Cumbria CA7 |
| Oughtibridge |
Sheffield South Yorkshire S35 |
| Oulston |
Hambleton North Yorkshire YO61 |
| Oulton |
Broadland Norfolk NR11 |
| Oulton |
Stafford Staffordshire ST15 |
| Oulton |
Stafford Staffordshire ST20 |
| Oulton |
Waveney Suffolk NR32 |
| Oulton |
Allerdale Cumbria CA7 |
| Oulton |
Vale Royal Cheshire CW6 |
| Oulton |
Leeds West Yorkshire LS26 |
| Oulton |
Wakefield West Yorkshire LS26 |
| Oulton Broad |
Wakefield Suffolk NR33 |
| Oulton Heath |
Stafford Staffordshire ST15 |
| Oulton Street |
Stafford Norfolk NR11 |
| Oundle |
East Northamptonshire Northamptonshire PE8 |
| Ousby |
Eden Cumbria CA10 |
| Ousdale |
Eden Highland KW7 |
| Ousden |
St Edmundsbury Suffolk CB8 |
| Ousden |
Forest Heath Suffolk CB8 |
| Ousefleet |
East Riding of Yorkshire East Yorkshire DN14 |
| Ouston |
Chester-le-Street County Durham DH2 |
| Ouston |
Castle Morpeth Northumberland NE15 |
| Out Newton |
East Riding of Yorkshire East Yorkshire HU19 |
| Out Rawcliffe |
Wyre Lancashire PR3 |
| Out Skerries |
Wyre Shetland Islands ZE2 |
| Outcast |
South Lakeland Cumbria LA12 |
| Outend |
South Lakeland Western Isles HS4 |
| Outertown |
South Lakeland Orkney Islands KW16 |
| Outgate |
South Lakeland Cumbria LA22 |
| Outhgill |
Eden Cumbria CA17 |
| Outhill |
Stratford-on-Avon Warwickshire B80 |
| Outlands |
Stratford-on-Avon Staffordshire ST20 |
| Outlane |
Kirklees West Yorkshire HD3 |
| Outlane |
Calderdale West Yorkshire HD3 |
| Outwell |
King's Lynn and West Norfolk Norfolk PE14 |
| Outwood |
Tandridge Surrey RH1 |
| Outwood |
Wakefield West Yorkshire WF1 |
| Outwoods |
Stafford Staffordshire TF10 |
| Oval |
Stafford Greater London SE11 |
| Ovenden |
Calderdale West Yorkshire HX2 |
| Ovenden |
Calderdale West Yorkshire HX3 |
| Ovenden Wood |
Calderdale West Yorkshire HX2 |
| Ovenstone |
Calderdale Fife KY10 |
| Over |
South Cambridgeshire Cambridgeshire CB24 |
| Over |
Tewkesbury Gloucestershire GL2 |
| Over Alderley |
Macclesfield Cheshire SK10 |
| Over Compton |
West Dorset Dorset DT9 |
| Over Dinsdale |
Darlington County Durham DL2 |
| Over End |
Darlington Derbyshire DE45 |
| Over Haddon |
Derbyshire Dales Derbyshire DE45 |
| Over Hulton |
Bolton Lancashire BL5 |
| Over Kellet |
Lancaster Lancashire LA6 |
| Over Kiddington |
Lancaster Oxfordshire OX20 |
| Over Norton |
West Oxfordshire Oxfordshire OX7 |
| Over Peover |
Macclesfield Cheshire WA16 |
| Over Rankeilour |
Macclesfield Fife KY15 |
| Over Silton |
Hambleton North Yorkshire YO7 |
| Over Stowey |
Sedgemoor Somerset TA5 |
| Over Stratton |
South Somerset Somerset TA13 |
| Over Tabley |
Macclesfield Cheshire WA16 |
| Over Wallop |
Test Valley Hampshire SO20 |
| Over Whitacre |
North Warwickshire Warwickshire B46 |
| Over Worton |
West Oxfordshire Oxfordshire OX7 |
| Over Wyresdale |
Lancaster Lancashire LA2 |
| Overbister |
Lancaster Orkney Islands KW17 |
| Overbury |
Wychavon Worcestershire GL20 |
| Overcombe |
Wychavon Dorset DT3 |
| Overdale |
Telford and Wrekin Shropshire TF3 |
| Overdale Park |
Craven North Yorkshire BD23 |
| Overdene |
Redcar and Cleveland North Yorkshire TS12 |
| Overleigh |
Redcar and Cleveland Somerset BA16 |
| Overley |
Telford and Wrekin Shropshire TF6 |
| Overpool |
Telford and Wrekin Cheshire L65 |
| Overross Industrial Estate |
Telford and Wrekin Herefordshire HR9 |
| Overseal |
South Derbyshire Derbyshire DE12 |
| Overseal |
North West Leicestershire Leicestershire DE12 |
| Oversland |
North West Leicestershire Kent ME13 |
| Oversley Green |
Stratford-on-Avon Warwickshire B49 |
| Overstone |
Daventry Northamptonshire NN6 |
| Overstrand |
North Norfolk Norfolk NR27 |
| Overthorpe |
Kirklees West Yorkshire WF12 |
| Overthorpe |
South Northamptonshire Northamptonshire OX17 |
| Overton |
Hambleton North Yorkshire YO30 |
| Overton |
Lancaster Lancashire LA3 |
| Overton |
South Shropshire Shropshire SY8 |
| Overton |
Basingstoke and Deane Hampshire RG25 |
| Overton |
Wakefield West Yorkshire WF4 |
| Overton |
Wakefield Wrexham LL13 |
| Overton Common |
Chester Cheshire SY14 |
| Overtown |
Chester Lanarkshire ML2 |
| Overy Staithe |
Chester Norfolk PE31 |
| Oving |
Aylesbury Vale Buckinghamshire HP22 |
| Oving |
Chichester West Sussex PO20 |
| Ovingdean |
Brighton and Hove East Sussex BN2 |
| Ovingham |
Tynedale Northumberland NE42 |
| Ovington |
Tynedale Northumberland NE42 |
| Ovington |
Breckland Norfolk IP25 |
| Ovington |
Teesdale County Durham DL11 |
| Ovington |
Braintree Essex CO10 |
| Ovington |
Winchester Hampshire SO24 |
| Owen Breedin |
Brookeborough County Fermanagh BT94 |
| Ower |
Test Valley Hampshire SO51 |
| Ower |
New Forest Hampshire SO51 |
| Owermoigne |
West Dorset Dorset DT2 |
| Owersby Moor |
West Lindsey Lincolnshire LN8 |
| Owlpen |
Stroud Gloucestershire GL11 |
| Owlsmoor |
Bracknell Forest Berkshire GU47 |
| Owlswick |
Wycombe Buckinghamshire HP27 |
| Owlthorpe |
Sheffield South Yorkshire S20 |
| Owmby |
West Lindsey Lincolnshire DN38 |
| Owmby by Spital |
West Lindsey Lincolnshire LN2 |
| Owmby-by-Spital |
West Lindsey Lincolnshire LN8 |
| Ownham |
West Berkshire Berkshire RG20 |
| Owslebury |
Winchester Hampshire SO21 |
| Owslebury Bottom |
Winchester Hampshire SO21 |
| Owston |
Harborough Leicestershire LE15 |
| Owston |
Harborough Rutland LE15 |
| Owston |
Doncaster South Yorkshire DN6 |
| Owston Ferry |
North Lincolnshire Lincolnshire DN9 |
| Owstwick |
East Riding of Yorkshire East Yorkshire HU12 |
| Owthorpe |
Rushcliffe Nottinghamshire NG12 |
| Oxborough |
Breckland Norfolk PE33 |
| Oxbridge |
West Dorset Dorset DT6 |
| Oxcliffe Hill |
West Dorset Lancashire LA3 |
| Oxcombe |
East Lindsey Lincolnshire LN9 |
| Oxen End |
East Lindsey Essex CM7 |
| Oxen Fell |
South Lakeland Cumbria LA21 |
| Oxen Park |
South Lakeland Cumbria LA12 |
| Oxenfoord |
South Lakeland Lothians EH37 |
| Oxenhall |
Forest of Dean Gloucestershire GL18 |
| Oxenholme |
South Lakeland Cumbria LA8 |
| Oxenholme |
South Lakeland Cumbria LA9 |
| Oxenhope |
Bradford West Yorkshire BD22 |
| Oxenton |
Tewkesbury Gloucestershire GL52 |
| Oxenwood |
Kennet Wiltshire SN8 |
| Oxford |
Cherwell Oxfordshire OX2 |
| Oxford |
Oxford Oxfordshire OX1 |
| Oxford |
Oxford Oxfordshire OX2 |
| Oxford |
Oxford Oxfordshire OX3 |
| Oxford |
Oxford Oxfordshire OX4 |
| Oxford |
Oxford Oxfordshire OX44 |
| Oxford |
South Oxfordshire Oxfordshire OX2 |
| Oxford |
South Oxfordshire Oxfordshire OX33 |
| Oxford |
South Oxfordshire Oxfordshire OX4 |
| Oxford |
Vale of White Horse Oxfordshire OX1 |
| Oxford |
Vale of White Horse Oxfordshire OX2 |
| Oxford Airport |
Cherwell Oxfordshire OX5 |
| Oxford Business Park North |
Oxford Oxfordshire OX4 |
| Oxford Business Park South |
Oxford Oxfordshire OX4 |
| Oxford Circus |
Oxford Greater London W1 |
| Oxford Street |
Oxford Greater London W1 |
| Oxhill |
Derwentside County Durham DH9 |
| Oxhill |
Stratford-on-Avon Warwickshire CV35 |
| Oxley |
Wolverhampton West Midlands WV10 |
| Oxley Park |
Milton Keynes Buckinghamshire MK4 |
| Oxley's Green |
Milton Keynes East Sussex TN32 |
| Oxlynch |
Stroud Gloucestershire GL10 |
| Oxnam |
Stroud Borders TD8 |
| Oxnead |
Broadland Norfolk NR10 |
| Oxnop Ghyll |
Broadland North Yorkshire DL8 |
| Oxshott |
Elmbridge Surrey KT22 |
| Oxshott |
Mole Valley Surrey KT22 |
| Oxspring |
Barnsley South Yorkshire S36 |
| Oxted |
Tandridge Surrey RH8 |
| Oxton |
Tandridge Borders TD2 |
| Oxton |
Newark and Sherwood Nottinghamshire NG25 |
| Oxton |
Selby North Yorkshire LS24 |
| Oxwich |
Selby Swansea SA3 |
| Oxwich Green |
Selby Gwent and Glamorgan SA3 |
| Oxwick |
Breckland Norfolk NR21 |
| Oykel Bridge |
Breckland Highland IV27 |
| Oyne |
Breckland Aberdeenshire AB52 |
| Ozendyke |
Selby North Yorkshire LS24 |
| Ozleworth |
Cotswold Gloucestershire GL12 |
| Ozleworth |
Stroud Gloucestershire GL12 |
