0044 and +44 are used interchangeably to dial British phone numbers from a mobile (more on the plus sign).
| Phone type | Dialing format | Or using + |
|---|---|---|
| Cell phone | 00 44 7xxx xxx xxx | +44 7xxx xxx xxx |
| Landlines | Dialing format | Or using + |
|---|---|---|
| Aberdeen | 00 44 1224 xxx xxx | +44 1224 xxx xxx |
| Basildon | 00 44 1268 xxx xxx | +44 1268 xxx xxx |
| Belfast | 00 44 28 xxxx xxxx | +44 28 xxxx xxxx |
| Birmingham | 00 44 121 xxx xxxx | +44 121 xxx xxxx |
| Blackburn | 00 44 1254 xxx xxx | +44 1254 xxx xxx |
| Blackpool | 00 44 1253 xxx xxx | +44 1253 xxx xxx |
| Bolton | 00 44 1204 xxx xxx | +44 1204 xxx xxx |
| Bournemouth | 00 44 1202 xxx xxx | +44 1202 xxx xxx |
| Bradford | 00 44 1274 xxx xxx | +44 1274 xxx xxx |
| Brighton | 00 44 1273 xxx xxx | +44 1273 xxx xxx |
| Bristol | 00 44 117 xxx xxxx | +44 117 xxx xxxx |
| Cambridge | 00 44 1223 xxx xxx | +44 1223 xxx xxx |
| Cardiff | 00 44 29 xxxx xxxx | +44 29 xxxx xxxx |
| Colchester | 00 44 1206 xxx xxx | +44 1206 xxx xxx |
| Coventry | 00 44 24 xxxx xxxx | +44 24 xxxx xxxx |
| Derby | 00 44 1332 xxx xxx | +44 1332 xxx xxx |
| Dundee | 00 44 1382 xxx xxx | +44 1382 xxx xxx |
| Edinburgh | 00 44 131 xxx xxxx | +44 131 xxx xxxx |
| Glasgow | 00 44 141 xxx xxxx | +44 141 xxx xxxx |
| Gloucester | 00 44 1452 xxx xxx | +44 1452 xxx xxx |
| Huddersfield | 00 44 1484 xxx xxx | +44 1484 xxx xxx |
| Ipswich | 00 44 1473 xxx xxx | +44 1473 xxx xxx |
| Kettering | 00 44 1536 xxx xxx | +44 1536 xxx xxx |
| Leeds | 00 44 113 xxx xxxx | +44 113 xxx xxxx |
| Leicester | 00 44 116 xxx xxxx | +44 116 xxx xxxx |
| Liverpool | 00 44 151 xxx xxxx | +44 151 xxx xxxx |
| London | 00 44 20 xxxx xxxx | +44 20 xxxx xxxx |
| Luton | 00 44 1582 xxx xxx | +44 1582 xxx xxx |
| Manchester | 00 44 161 xxx xxxx | +44 161 xxx xxxx |
| Middlesbrough | 00 44 1642 xxx xxx | +44 1642 xxx xxx |
| Newcastle | 00 44 191 xxx xxxx | +44 191 xxx xxxx |
| Newport | 00 44 1633 xxx xxx | +44 1633 xxx xxx |
| Northampton | 00 44 1604 xxx xxx | +44 1604 xxx xxx |
| Norwich | 00 44 1603 xxx xxx | +44 1603 xxx xxx |
| Nottingham | 00 44 115 xxx xxxx | +44 115 xxx xxxx |
| Oakham | 00 44 1572 xxx xxx | +44 1572 xxx xxx |
| Oxford | 00 44 1865 xxx xxx | +44 1865 xxx xxx |
| Peterborough | 00 44 1733 xxx xxx | +44 1733 xxx xxx |
| Plymouth | 00 44 1752 xxx xxx | +44 1752 xxx xxx |
| Portsmouth | 00 44 23 xxxx xxxx | +44 23 xxxx xxxx |
| Preston | 00 44 1772 xxx xxx | +44 1772 xxx xxx |
| Reading | 00 44 118 xxx xxxx | +44 118 xxx xxxx |
| Ripon | 00 44 1765 xxx xxx | +44 1765 xxx xxx |
| Rotherham | 00 44 1709 xxx xxx | +44 1709 xxx xxx |
| Salisbury | 00 44 1722 xxx xxx | +44 1722 xxx xxx |
| Sheffield | 00 44 114 xxx xxxx | +44 114 xxx xxxx |
| Slough | 00 44 1753 xxx xxx | +44 1753 xxx xxx |
| Southampton | 00 44 23 xxxx xxxx | +44 23 xxxx xxxx |
| Southend-on-Sea | 00 44 1702 xxx xxx | +44 1702 xxx xxx |
| St. Helens | 00 44 1744 xxx xxx | +44 1744 xxx xxx |
| Stoke-on-Trent | 00 44 1782 xxx xxx | +44 1782 xxx xxx |
| Sunderland | 00 44 191 xxx xxxx | +44 191 xxx xxxx |
| Swansea | 00 44 1792 xxx xxx | +44 1792 xxx xxx |
| Swindon | 00 44 1793 xxx xxx | +44 1793 xxx xxx |
| Watford | 00 44 1923 xxx xxx | +44 1923 xxx xxx |
| Wincester | 00 44 1962 xxx xxx | +44 1962 xxx xxx |
| Wolverhampton | 00 44 1902 xxx xxx | +44 1902 xxx xxx |
| Worcester | 00 44 1905 xxx xxx | +44 1905 xxx xxx |
| Wormbridge | 00 44 1981 xxx xxx | +44 1981 xxx xxx |
| York | 00 44 1904 xxx xxx | +44 1904 xxx xxx |