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Communications: Cell Phone Dialing Guide

Basic Calling Information

  • Mobile phone numbers in the United Kingdom contain ten digits.
  • When calling a mobile phone from within the United Kingdom, always dial the Domestic Access Code ("0") before the ten-digit number. Do not dial this access code when calling from another country.
  • When making an international call to a mobile phone in the United Kingdom, dial: the United Kingdom's country code [44] + ten-digit mobile phone number.  
Calling Examples
Fixed Line to Mobile Phone Mobile Phone to Fixed Line Mobile Phone to Mobile Phone

Local Calls
Dial the United Kingdom's DAC + mobile phone number

Example
A call from a fixed line in London to a mobile phone in London:
0 + ten-digit mobile phone number

Local Calls
Dial the local number

Example
A call from a mobile phone in London to a fixed line in London:
Dial the six- to eight-digit local number

Local Calls
Dial the United Kingdom's DAC + mobile phone number

Example
A call from a mobile phone in London to a mobile phone in London:
0 + ten-digit mobile phone number

Long Distance
Dial the United Kingdom's DAC + mobile phone number

Example
A call from a fixed line in London to a mobile phone in Birmingham:
0 + ten-digit mobile phone number

Long Distance
Dial the United Kingdom's DAC + area code + local six- to eight-digit number.

Example
A call from a mobile phone in London to a fixed line in Birmingham:
0 + (121) + seven-digit local number

Long Distance
Dial the United Kingdom's DAC + mobile phone number

Example
A call from a mobile phone in London to a mobile phone in Birmingham:
0 + ten-digit mobile phone number

International Calls
Dial the United Kingdom's IAC + country code of country being dialed + area code or mobile phone prefix + mobile phone number*

Example
A call from a fixed line in the United Kingdom to a mobile phone in San Francisco, US:
00 + [1] + (415) + seven-digit mobile phone number*

International Calls
Dial the United Kingdom's IAC + country code of country being dialed + area code + local number*

Example
A call from a mobile phone in the United Kingdom to a fixed line in San Francisco, US:
00 + [1] + (415) + seven-digit local number*

International Calls
Dial the United Kingdom's IAC + country code of country being dialed + area code or mobile phone prefix + mobile phone number*

Example
A call from a mobile phone in the United Kingdom to a mobile phone in San Francisco, US:
00 + [1] + (415) + seven-digit mobile phone number*

*Calling a mobile phone number or fixed line in some countries from outside those countries may require a different procedure from the one shown here. Refer to the Cell Phone Dialing Guide or Dialing Guide for the country you are calling.

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