44 Country Code: United Kingdom (+44)
+44 is the country code for United Kingdom. If you searched "44 country code", "country code 44", "0044 country code", or "+44 country code" — they all refer to United Kingdom. The code is also called the 44 dialing code, 44 phone code, or 44 ISD code, and is assigned by the International Telecommunication Union (ITU) under the E.164 standard.
The UK uses variable-length area codes: 2-digit for London (020) and other largest cities, 3-digit for most other cities, and 4 or 5-digit for smaller towns. All UK mobile numbers start with 07 domestically, which becomes +44 7 when dialed from abroad. The trunk prefix 0 must always be dropped when dialing the UK internationally.
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Drop the leading 0 from UK numbers — dial +44 7XXX XXXXXX for mobiles, not +44 07XXX.
United Kingdom Phone Number Format
International Format Example
Domestic vs International
Drop 0 and prepend +44.
Major City Area Codes in United Kingdom
Area codes for the largest cities in United Kingdom. When dialing from abroad, prepend +44 and drop the leading 0.
| City / Region | Area Code | Domestic Form | From Abroad |
|---|---|---|---|
| London | 20 | 020 | +44 20 |
| Manchester | 161 | 0161 | +44 161 |
| Birmingham | 121 | 0121 | +44 121 |
| Edinburgh | 131 | 0131 | +44 131 |
| Glasgow | 141 | 0141 | +44 141 |
| Liverpool | 151 | 0151 | +44 151 |
Mobile Networks in United Kingdom
- 7 (dial 07 domestically)
- EE
- Vodafone
- O2
- Three
United Kingdom Telephone System Facts
Calling United Kingdom from Your Browser
To place a call to United Kingdom, dial +44 followed by the local number in the Kinvo browser dialer. Pay-as-you-go, no app required.
Call United Kingdom from Your Browser
Call any United Kingdom number (+44) directly from Chrome, Firefox, Safari, or Edge. No install required. Use it in under 2 minutes.
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Frequently Asked Questions: United Kingdom Country Code
Which country is country code 44?
Country code 44 belongs to United Kingdom. The full international dialing code is +44, also written as 0044 when dialing from countries that use 00 as an international access code, or +44 when dialing from a mobile phone.
What is the country code for United Kingdom?
+44 is the international dialing code for United Kingdom, assigned by the ITU under E.164. The ISO 3166-1 alpha-2 code is GB.
What are the main area codes in United Kingdom?
The largest cities in United Kingdom use these area codes: London (20), Manchester (161), Birmingham (121), Edinburgh (131). When calling from abroad, prepend +44.
Who are the main mobile carriers in United Kingdom?
The major mobile operators in United Kingdom are EE, Vodafone, O2, Three. Kinvo routes calls to every United Kingdom mobile carrier at the same per-minute rate — no hidden surcharges for premium networks.
Do I drop the 0 when calling United Kingdom from abroad?
Yes. United Kingdom uses 0 as its domestic trunk prefix. When dialing from another country, remove it and replace with +44. The trunk prefix is only needed for long-distance calls within United Kingdom.
What is the emergency number in United Kingdom?
The emergency services number in United Kingdom is 999 (or 112). Emergency numbers cannot be dialed via Kinvo or any VoIP service — use a mobile network or landline for life-threatening emergencies.
Can I call United Kingdom from my browser?
Yes. Kinvo connects calls to United Kingdom via WebRTC directly from Chrome, Firefox, Safari, or Edge. No app download. Sign up, add credits from $5, and dial +44 followed by the local number.