Areas of United Kingdom
Regulator: Ofcom (OFCOM)
| Name |
Prefix |
Type |
| Aberdeen |
441224 |
geo |
| Ballycastle |
442820 |
geo |
| Ballymena |
442825 |
geo |
| Basildon |
441268 |
geo |
| Belfast |
4428 |
geo |
| Birmingham |
44121 |
geo |
| Bishops Waltham |
441489 |
geo |
| Blackburn |
441254 |
geo |
| Blackpool |
441253 |
geo |
| Bolton |
441204 |
geo |
| Bournemouth |
441202 |
geo |
| Bradford |
441274 |
geo |
| Brentwood |
441277 |
geo |
| Brighton |
441273 |
geo |
| Bristol |
44117 |
geo |
| Bury St Edmunds |
441284 |
geo |
| Camberley |
441276 |
geo |
| Cambridge |
441223 |
geo |
| Cardiff |
4429 |
geo |
| Carlisle |
441228 |
geo |
| Chester |
441244 |
geo |
| Colchester |
441206 |
geo |
| Cookstown |
442886 |
geo |
| Coventry |
4424 |
geo |
| Coventry |
442476 |
geo |
| Crawley |
441293 |
geo |
| Darlington |
441325 |
geo |
| Dartford |
441322 |
geo |
| Derby |
441332 |
geo |
| Dundee |
441382 |
geo |
| Eastbourne |
441323 |
geo |
| Edinburgh |
44131 |
geo |
| Exeter |
441392 |
geo |
| Felixstowe |
441394 |
geo |
| Glasgow |
44141 |
geo |
| Gloucester |
441452 |
geo |
| Grimsby |
441472 |
geo |
| Guildford |
441483 |
geo |
| Hitchin |
441462 |
geo |
| Huddersfield |
441484 |
geo |
| Hull |
441482 |
geo |
| Ipswich |
441473 |
geo |
| Kettering |
441536 |
geo |
| Kilrea |
442829 |
geo |
| Leeds |
44113 |
geo |
| Leicester |
44116 |
geo |
| Lisburn |
442892 |
geo |
| Liverpool |
44151 |
geo |
| London |
4420 |
geo |
| Luton |
441582 |
geo |
| Maidenhead |
441628 |
geo |
| Maidstone |
441622 |
geo |
| Manchester |
44161 |
geo |
| Martinstown |
442821 |
geo |
| Medway |
441634 |
geo |
| Middlesbrough |
441642 |
geo |
| Motherwell |
441698 |
geo |
| National |
44844 |
national |
| National |
44845 |
national |
| National |
44871 |
national |
| National |
44870 |
national |
| National geo |
443 |
national |
| Newcastle |
44191 |
geo |
| Newport |
441633 |
geo |
| Northampton |
441604 |
geo |
| Northwich |
441606 |
geo |
| Norwich |
441603 |
geo |
| Nottingham |
44115 |
geo |
| Oakham |
441572 |
geo |
| Oxford |
441865 |
geo |
| Peterborough |
441733 |
geo |
| Plymouth |
441752 |
geo |
| Portadown |
44283 |
geo |
| Portsmouth |
44239 |
geo |
| Portsmouth |
4423 |
geo |
| Preston |
441772 |
geo |
| Reading |
44118 |
geo |
| Richmond |
441748 |
geo |
| Ripon |
441765 |
geo |
| Rochdale |
441706 |
geo |
| Rotherham |
441709 |
geo |
| Rugby |
441788 |
geo |
| Salisbury |
441722 |
geo |
| Sheffield |
44114 |
geo |
| Slough |
441753 |
geo |
| Southampton |
44238 |
geo |
| Southend on Sea |
441702 |
geo |
| Staines |
441784 |
geo |
| Stamford |
44178 |
geo |
| St. Helens |
441744 |
geo |
| Stoke on Trent |
441782 |
geo |
| Stratford upon Avon |
441789 |
geo |
| Sunderland |
441915 |
geo |
| Swansea |
441792 |
geo |
| Swindon |
441793 |
geo |
| Telford |
441952 |
geo |
| Thanet |
441843 |
geo |
| Tollfree |
44808 |
tollfree |
| Watford |
441923 |
geo |
| Wigan |
441942 |
geo |
| Wincester |
441962 |
geo |
| Wolverhampton |
441902 |
geo |
| Worcester |
441905 |
geo |
| Wormbridge |
441981 |
geo |
| York |
441904 |
geo |
