UK Area Code Finder
Quick and easy telephone dialling code information
Including how to call New York, Los Angeles, Chicago, Houston, Philadelphia, San Francisco, Boston and Washington.
The USA, along with other North American and Caribbean countries, uses the country code +1.
To telephone the USA from the United Kingdom you need to dial:
then the full national number minus any leading 1
Dialled from the UK as: 00 1 929 555 0012
Sometimes, the telephone number you want to call may already be written out including the +1 country code. For example:
In such a case, you just replace the '+' with the UK international access code of 00. The example above would be dialled as: 00 1 929 555 0012.
To call a United Kingdom landline or mobile phone from the United States, dial 011 44, then the UK number without its leading zero.
For example, the UK number
Last updated: 1 December 2011