2. UK Telephone dialling codes

07xxx xxxxxx—mobile phones, pagers, Personal Numbering and WiFi numbers.
Individual mobile phone companies are allocated different ranges within the 074xx, 075xx, 07624, 077xx, 078xx and 079xx area codes. Changes to mobile phone numbers were mostly straight replacements, such as Vodafone customers on the 0378 block became 07778.

070 xxxx xxxx Personal Numbering
074xx xxxxxx Mobile phones (in use since November 2009)
075xx xxxxxx Mobile phones (in use since May 2007)
076xx xxxxxx Pagers (excluding 07624, used for mobile phones on the Isle of Man)
077xx xxxxxx Mobile phones (former 03xx and 04xx—mostly Vodafone and O2 (formerly Cellnet)
078xx xxxxxx Mobile phones (former 05xx, 06xx and 08xx—mostly Vodafone and O2 (formerly Cellnet)
079xx xxxxxx Mobile phones (former 09xx—mostly Orange and T-Mobile (formerly one2one)
07911 2xxxxx
07911 8xxxxx WiFi numbers (used by companies such as Tovo and Mobiboo)

Since the advent of Mobile number portability, mobile phone number prefixes can no longer be relied on to determine the current operator of a particular mobile phone – only the original operator.

Mobile and non-geographic numbers don't have optional area codes so can largely be written in whichever pattern aids memorability.

The format 07xxx xxxxxx is recommended for mobile phones as it is widely-recognised and also because the first five digits usually identify the (original)owner of the number. (For example, 07973 belongs to Orange.)

'08' numbers are best displayed in the style 08xx xxx xxxx to aid recognition of the various different services. For example, as the meaning of '0800' is widely recognised, 0800 123 4567 is more likely to be understood as a freephone number than 08001 234567. Add a cellphone number to the cellphone directory here.
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