Phone calls to the United States

How to call the United States of America from the UK

Including how to call New York, Los Angeles, Chicago, Houston, Philadelphia, San Francisco, Boston and Washington.

Calling code for the USA

The USA, along with other North American and Caribbean countries, uses the country code +1.

To call the USA from the United Kingdom you need to dial:

then the full national number minus any leading 1


American number: 929-555-0012 (or 1-929-555-0012)
Dialled from the UK as: 00 1 929 555 0012

Phone numbers beginning +1

Sometimes, the telephone number you want to call may already be written out including the +1 country code. For example:

  • +1 929 555 0012
  • +1 (929) 555 0012

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.

How to call the UK from the USA

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 01632 961084 should be dialled as 011 44 1632 961084 from the United States of America.

These codes and instructions apply when dialling any part of the UK including England, Scotland, Wales and Northern Ireland, as well as Guernsey, Jersey and the Isle of Man.

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