- From abroad: dial +44 (or your country's exit code, e.g. 00 from Europe, 011 from North America), then the national number without the leading 0. Example: +44 7400 123456
- Within United Kingdom: dial the number as written domestically, including the trunk prefix 0. Example: 07400 123456
- Calling abroad from United Kingdom: the international prefix is 00, or simply use + on mobiles.
- Storing numbers in software: always store E.164 (+447400123456): unambiguous, sortable, and what SMS and telephony APIs expect.
Country code +44 · GB
United Kingdom phone number format
Every number type in United Kingdom with real format examples: how numbers are written domestically, how to dial them from abroad, and the E.164 form your systems should store.
Country code
+44
Trunk prefix
0
Intl. call prefix
00
Mobile digits
10
Number formats by type
Examples from the official numbering plan metadata. The E.164 column is the normalized form for databases and APIs.
| Type | Domestic (national) | From abroad | E.164 | Digits |
|---|---|---|---|---|
| Landline | 0121 234 5678 | +44 121 234 5678 | +441212345678 | 9,10 |
| Mobile | 07400 123456 | +44 7400 123456 | +447400123456 | 10 |
| Toll-free | 0800 123 4567 | +44 800 123 4567 | +448001234567 | 7,9,10 |
| Premium rate | 0901 234 5678 | +44 901 234 5678 | +449012345678 | 7,10 |
| VoIP | 056 1234 5678 | +44 56 1234 5678 | +445612345678 | 10 |
How to call United Kingdom
Exact dial sequence from your country
Pick where you are calling from and get the digit-for-digit sequence for a United Kingdom number, with your country's exit code instead of the generic +.
Frequently Asked Questions
What is the phone number format in United Kingdom?
Numbers in United Kingdom use country code +44. A mobile number looks like 07400 123456 domestically, or +44 7400 123456 in international format (E.164: +447400123456). Mobile numbers have 10 national digits.
How do I call United Kingdom from abroad?
Dial your country's international prefix (or +), then 44, then the national number without the leading 0. Example: +44 7400 123456.
What is the country calling code for United Kingdom?
The country calling code for United Kingdom is +44. To call abroad from United Kingdom, the international prefix is 00 (or use +).
Format data: Google libphonenumber project metadata (Apache 2.0), refreshed monthly. Details on About & Data Sources.