44 Country Code: United Kingdom (+44)
Country code 44 (+44) belongs to United Kingdom. United Kingdom uses the international dialing code +44, assigned by the International Telecommunication Union (ITU) under the E.164 standard. The ISO 3166-1 alpha-2 code is GB.
You will see the same code written several ways depending on origin: +44 (universal + prefix, works from mobile), 0044 (from countries that use 00 as their international exit code — most of Europe, Asia, and Latin America), 011 44 (from the US and Canada), 0011 44 (from Australia), or the bare 44. All refer to the same United Kingdom country code.
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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.
Call from your browser — no app, no subscription
$0.62/min to United Kingdom|No install required. Use it in under 2 minutes.
Drop the leading 0 from UK numbers — dial +44 7XXX XXXXXX for mobiles, not +44 07XXX.
Did You Get a Call from +44? Here's What That Means
Any incoming call that displays +44 followed by more digits is originating from United Kingdom. The caller is dialing you from a United Kingdom-registered phone number — either a landline or a mobile on a United Kingdom carrier.
Common reasons people receive calls from +44:
- -Family or friends in United Kingdom calling from a local number
- -Business contacts at United Kingdom-based companies
- -Customer support agents working from a United Kingdom call center
- -Travel-related calls (hotels, airlines, tour operators)
- -Less commonly, robocalls or scam calls that have spoofed a +44 number — if the call is unsolicited, do not return it without verifying the source
To return a call to a +44 number from the US, use Kinvo's United Kingdom dialing guide — calls cost from $0.62/min with no app to download.
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 Successfully: Common Mistakes & Best Practices
Most failed calls to United Kingdom come from one of four mistakes, not from network problems. The most common is mishandling the leading 0: domestically, United Kingdom numbers are written with 0 at the front (e.g. 02079460958), but that 0 is the domestic trunk prefix and must be removed when calling from outside United Kingdom. Dial +44 followed directly by the local number without the 0.
The second is misreading the area code on landline numbers — United Kingdom area codes are not uniform length (London 20, Manchester 161, Birmingham 121), so confirm the city before dialing. The third is dialing during off-hours — United Kingdom uses English business hours and consumer phones are usually answered between 8 AM and 9 PM local time. The fourth and most expensive mistake is assuming your US carrier's WiFi calling feature makes the call cheap. It does not — see WiFi calling vs VoIP for international calls for why.
For scam-call awareness: +44 is the legitimate United Kingdom country code, and most unsolicited calls from +44 numbers are legitimate calls from United Kingdom-based businesses, hospitals, family members, or call centers serving US customers. Caller-ID spoofing exists, so if a call from a +44 number claims to be from a US government agency, your bank, or the IRS, hang up and call the agency back on its published number. Real authorities never demand payment over the phone.
When you are ready to place a call, the cheapest reliable route is to dial +44 from your browser using Kinvo — no app, no carrier add-on, and the per-minute rate is shown before you connect so there are no bill surprises. The browser approach also works from any laptop, tablet, or phone you happen to have access to, which matters when you're traveling, using a work device, or borrowing someone else's computer.
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 from countries using 00 as their international exit code (Europe, most of Asia, Latin America), 011 44 from the US and Canada, or +44 from any 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. Equivalent forms — 0044, 011 44, +44, and 44 — all refer to the same United Kingdom country code.
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.