What is the dialing code for United Kingdom?

The international dialing code for United Kingdom is +44.

How many digits are in a United Kingdom mobile number?

United Kingdom mobile numbers are typically 10 digits long, not counting the country code.

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+44 · Europe

Dialing code

+44

Mobile number length

10 digits

Domestic trunk prefix

Likely type

Mobile

National format example

07400 123456

International format example

+44 7400 123456

Major carriers

EE O2 Vodafone Three

Dial the international prefix (usually 00 or +), followed by +44, then the local number without the leading 0.

Results are based on public numbering plans, not a live carrier query — numbers can be ported between carriers.

Dialing code

Likely type

Format

Possible carriers