United Kingdom
United Kingdom of Great Britain and Northern Ireland

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 prefix ('71' to '75' or '77' to '79') + remaining eight digits of local Mobile Phone number.
Example
A call from a fixed line in London to a Mobile Phone in London:
0 + '71' to '75' or '77' to '79' + remaining eight digits of local Mobile Phone number

Local Calls: Dial the local six- to eight-digit number.

Example
A call from a Mobile Phone in London to a fixed line in London:

Dial the local six- to eight-digit number

Local Calls: Dial the United Kingdom's DAC + Mobile Phone prefix ('71' to '75' or '77' to '79') + remaining eight digits of local Mobile Phone number.
Example
A call from a Mobile Phone in London to a Mobile Phone in London:
0 + '71' to '75' or '77' to '79' +remaining eight digits of local Mobile Phone number

Long Distance: Dial the United Kingdom's DAC + Mobile Phone prefix ('71' to '75' or '77' to '79') + remaining eight digits of local Mobile Phone number.
Example
A call from a fixed line in London to a cell phone in Birmingham:
0 + '71' to '75' or '77' to '79' + remaining eight digits of local cell phone number

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

Example
A call from a cell phone in London to a fixed line in Birmingham:

0 + (121) + local seven-digit number

Long Distance: Dial the United Kingdom's DAC + cell phone prefix ('71' to '75' or '77' to '79') + remaining eight digits of local cell phone number.
Example
A call from a cell phone in London to a cell phone in Birmingham:
0 + '71' to '75' or '77' to '79' + remaining eight digits of local cell phone number

International Calls: Dial the United Kingdom's IAC + country code of country being dialed + area code (or) cell phone prefix + local cell phone number.*
Example
A call from a fixed line in the United Kingdom to a cell phone in San Francisco, USA:
00 + [1] + (415) + local seven-digit cell phone number

International Calls: Dial the United Kingdom's IAC + country code of country being dialed + area code (or) cell phone prefix + local number.*

Example
A call from a cell phone in the United Kingdom to a fixed line in San Francisco, USA:

00 + [1] + (415) + local seven-digit number

International Calls: Dial the United Kingdom's IAC + country code of country being dialed + area code (or) cell phone prefix + local cell phone number.*
Example
A call from a cell phone in the United Kingdom to a cell phone in San Francisco, USA:
00 + [1] + (415) + local seven-digit cell phone number

*Note: Some countries have a unique dialing sequence for incoming calls to cell phones. Refer to the Cell Phone Dialing Guide for the country you are calling.