Overview of the UK telephone numbering scheme

01 and 02 numbers

Geographic numbers

(01xxxx) xxxxx
(01xxxx) xxxx
(01xxx) xxxxxx
(01xxx) xxxxx
(01x1) xxx xxxx
(011x) xxx xxxx
(02x) xxxx xxxx

03 numbers

Non-geographic numbers charged at geographic rate

03xx xxx xxxx

05 numbers

Corporate and VoIP Numbers

055 xxxx xxxx
056 xxxx xxxx

Freephone services allocated before 1999

0500 xxxxxx

07 numbers

Pagers and personal numbering

070 xxxx xxxx
076 xxxx xxxx

Mobile phone numbers

074xx xxxxxx
075xx xxxxxx
07624 xxxxxx (Isle of Man)
077xx xxxxxx
078xx xxxxxx
079xx xxxxxx

08 numbers

Freephone services

0800 xxx xxxx
0800 xxxxxx
0800 1111

Freephone services

0808 xxx xxxx

Non-geographic fixed-rate, or special-rate services

084x xxx xxxx
087x xxx xxxx
0845 46 4x

Internet for schools and Inbound routing codes

082x xxx xxxx
089x xxx xxxx

09 numbers

Premium Rate Content Services

09xx xxx xxxx