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Using Telephones in London

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Calling the UK from Overseas
Public payphone in the National Gallery, London
© Laura Porter, licensed to About.com, Inc.

International dial code from USA: 011

International dial code from most of Europe: 00

United Kingdom country code: 44

If you see a UK number like 020 7123 1234 and need to dial it from overseas:
  • dial the access code
  • then country code
  • and remove the first 0 from the UK area code before dialing the rest of the code and number.
For example: (from the US): 011 44 20 7123 1234
NOT: 011 44 020 7123 1234. You must remove the first zero from area code.

If you see a UK number written as +44 20 7123 1234, this is already in the approved international format. Simply replace the + with the access code and then dial all of the digits as shown.

For example: (from the US): 011 44 20 7123 1234

You will occasionally see a UK number incorrectly written like +44 (0)20 7123 1234 with a zero in brackets that should not be there. This written format is NOT recommended and will confuse some dialing software.

The number is NOT: 011 44 020 7123 1234. You must remove the first zero from the area code when you dial.

But remember you do need this 0 when calling another UK number from within the UK.

What's the number for International Directory Enquiries from the UK?

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