Calling United Kingdom from the United States explained:
- 011 - US exit code; have to be dialed first for all international calls made from the US/Canada number plan
- 44 - international country code for United Kingdom
- US to United Kingdom international dialing format : 011 + 44 + area code + individual phone number
Area Codes:
| Aberdeen | 1224 |
Huddersfield | 1484 |
Preston | 1772 |
| Basildon | 1268 |
Ipswich | 1473 |
Reading | 118 |
| Belfast | 28 |
Kettering | 1536 |
Ripon | 1765 |
| Birmingham | 121 |
Leeds | 113 |
Rotherham | 1709 |
| Blackburn | 1254 |
Leicester | 116 |
Salisbury | 1722 |
| Blackpool | 1253 |
Liverpool | 151 |
Sheffield | 114 |
| Bolton | 1204 |
London | 20 |
Slough | 1753 |
| Bournemouth | 1202 |
Luton | 1582 |
Southampton | 23 |
| Bradford | 1274 |
Manchester | 161 |
Southend-on-Sea | 1702 |
| Brighton | 1273 |
Middlesbrough | 1642 |
St. Helens | 1744 |
| Bristol | 117 |
Newcastle | 28 |
Stoke-on-Trent | 1782 |
| Cambridge | 1223 |
Newport | 1633 |
Sunderland | 191 |
| Cardiff | 29 |
Northampton | 1604 |
Swansea | 1792 |
| Colchester | 1206 |
Norwich | 1603 |
Swindon | 1793 |
| Coventry | 24 |
Nottingham | 115 |
Watford | 1923 |
| Derby | 1332 |
Oakham | 1572 |
Wincester | 1962 |
| Dundee | 1382 |
Oxford | 1865 |
Wolverhampton | 1902 |
| Edinburgh | 131 |
Peterborough | 1733 |
Worcester | 1905 |
| Glasgow | 141 |
Plymouth | 1752 |
Wormbridge | 1981 |
| Gloucester | 1452 |
Portsmouth | 23 |
York | 1904 |
Neighbors of country:
Information about country:
The United Kingdom of Great Britain and Northern Ireland is a constitutional monarchy located off the northwestern coast of continental Europe. It is an island country, spanning an archipelago including Great Britain, the northeastern part of Ireland, and many small islands. Northern Ireland is the only part of the UK with a land border, sharing it with the Republic of Ireland. Apart from this land border, the UK is surrounded by the Atlantic Ocean, the North Sea, the English Channel and the Irish Sea. The largest island, Great Britain, is linked to France by the Channel Tunnel.