UK country code +44 — call UK & get a number.
Britain dials on +44, and the one rule that breaks most international calls is simple: drop the leading 0. This guide makes UK dialing foolproof — the variable-length area codes (London gets two digits, a Highland village five), the 07 mobile format, freephone and premium ranges, live time in GMT/BST — plus how a business claims a real UK number with MCM.
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UK at a glance
The numbers and facts you need before you dial.
What is the country code for UK?
The country code for the United Kingdom is +44. Place it after your own exit code and it reaches any British landline or mobile from overseas — across England, Scotland, Wales and Northern Ireland on the single code. Every UK number is written at home with a leading 0 (the trunk prefix), but that 0 is for domestic dialing only: the moment you add +44, the 0 comes off and +44 takes its place.
+44 was assigned to the UK by the ITU under the E.164 plan — the same scheme behind the US +1 and Ireland's +353. In strict E.164 form a London number reads +44 20 7946 0958, with the 0 already dropped. The "+" stands in for your exit code; on a mobile, hold 0 until it turns into a +.
All four mean the same thing — they connect your call to UK.
How to call UK from anywhere
Your exit code, then 44, then the area code or mobile prefix with its leading 0 removed, then the local number. The area-code length varies, but the 0 always drops — that's the whole trick.
COUNTRY +44 · AREA 20 · SUBSCRIBER 7946 0958 (London · the 0 in 020 is dropped). Mobile example: +44 7700 900123 — a UK mobile (07700…) with the leading 0 removed.
UK phone number format explained
A UK number is 10 digits after the 0 (occasionally 9 in a few areas). What changes is how those digits split between the area code and the local number — and that's where the famous London confusion comes from. London is 020, followed by an 8-digit number that happens to start with 7 or 8. It was never "0207" or "0208"; that 7 or 8 is the first digit of the local number, not part of the code.
Landline
Inside UK: 0 + area code + number → 020 7946 0958. International: +44 + area code + number → +44 20 7946 0958. Area codes vary in length — 2 digits for London (020), 3 for big cities (0161 Manchester), 4–5 for small towns. The leading 0 always drops from abroad.
Mobile
Inside UK: 0 + prefix + number → 07700 900123. International: +44 + prefix + number → +44 7700 900123. All UK mobiles start 07; drop the 0 to get +44 7…. Mobile numbers are national — there's no area code.
UK area codes — major cities
Drop the local leading 0 when calling from abroad.
| City | Region | Area code |
|---|---|---|
| London | England | 020 |
| Birmingham | England | 0121 |
| Manchester | England | 0161 |
| Leeds | England | 0113 |
| Sheffield | England | 0114 |
| Liverpool | England | 0151 |
| Bristol | England | 0117 |
| Nottingham | England | 0115 |
| Newcastle | England | 0191 |
| Glasgow | Scotland | 0141 |
| Edinburgh | Scotland | 0131 |
| Cardiff | Wales | 029 |
| Belfast | Northern Ireland | 028 |
| Mobile | UK-wide | 07xxx |
| Freephone | UK-wide | 0800, 0808 |
| Premium / service | UK-wide | 084x, 087x, 09xx, 070 |
UK mobile network prefixes
The prefix after +44 tells you which network issued the SIM — though number portability means it no longer guarantees the operator.
EE (BT)
Largest network by coverage and the widest 5G footprint.
O2 (Virgin Media O2)
Major network with strong urban coverage.
Vodafone
Long-established carrier with broad UK and roaming reach.
Three (Three UK)
Data-led challenger; many MVNOs (Giffgaff, Tesco Mobile, Lebara, Sky Mobile, Lyca) ride on these four.
UK time zone
The UK sets the world's clock — Greenwich, in London, is literally where GMT is measured. In winter Britain runs on GMT (UTC+0); from late March to late October it shifts to British Summer Time (UTC+1). So unlike the Gulf or much of Asia, the UK's offset to you moves twice a year — worth remembering when you schedule a call months ahead.
UK business hours (roughly 9am–5pm GMT/BST) overlap the entire European working day, the US East-Coast morning, and the tail of the Asian afternoon — which makes Britain one of the easiest places in the world to reach across time zones.
Emergency numbers in UK
Free to call from any UK phone, landline or mobile.
Common mistakes when calling UK
Almost every failed international call is a formatting issue, not a network issue.
Keeping the leading 0 after +44
This is the number-one UK error. It's +44 20 7946 0958, never +44 020…. The 0 is the domestic trunk prefix — it always comes off once +44 leads.
Writing London as "0207" or "0208"
London's area code is 020; the 7 or 8 is the first digit of the 8-digit local number. Splitting it wrong (0207 / 0208) is a long-standing myth that breaks the format.
Assuming every area code is the same length
UK codes run from 2 digits (020) to 5 (small towns). Don't force a number into the wrong split — find the real area code first.
Calling a 070 number thinking it's a mobile
070 "personal numbers" look like mobiles (07…) but aren't, and can carry high charges. A genuine mobile starts 077, 078 or 079.
Expecting 0800 freephone to work from abroad
UK freephone (0800/0808) numbers usually don't connect from overseas, or aren't free if they do. Use the company's standard +44 geographic or mobile number instead.
Tips to reduce the cost of calling UK
Use VoIP or a cloud-calling app
Routing the call over the internet means you pay local rates on the UK end, not steep carrier international charges.
Get a UK virtual number
A dedicated +44 line lets you receive British calls and dial out with a UK caller ID at local rates.
Avoid 084 / 087 / 09 numbers
These service and premium-rate ranges cost far more than a standard 01/02 geographic number; look for an alternative landline where you can.
Mind GMT vs BST
Some carriers price international calls by time; and the UK's clocks move twice a year, so re-check the time gap before scheduling.
Why businesses get a UK virtual number
British customers trust a British number. A local +44 line — a London 020, a Manchester 0161 — gets answered where an overseas caller ID gets ignored, and it signals you're a real presence in the market without the cost of a UK office. A UK virtual number is a genuine British DID that rings on the system your team already uses, anywhere in the world.
Higher answer rates
A familiar UK caller ID is picked up far more often than an unknown international number.
Lower trust friction
A London 020 or regional code reads as on-the-ground presence, no premises required.
Cheaper for your customers
UK callers reach you at local rates, so cost never blocks the call.
Centralized routing
Calls forward to your existing contact centre, mobile or SIP platform — managed from anywhere.
Faster expansion
Stand up a UK line in a day instead of registering a UK company first.
Real PSTN presence
An authentic UK DID — London, Manchester, Edinburgh — landing on your phone system worldwide.
UK virtual numbers with My Country Mobile
MCM provisions UK virtual numbers as part of a platform spanning 190+ countries and 17,500+ businesses across telecom, BPO, fintech, e-commerce and enterprise. You get the British DID in the area code you want, carrier-grade routing, and the APIs to wire it into whatever softphone, PBX, contact centre or CRM you already run.
Local DIDs in major area codes — provisioned in minutes
Call forwarding to any mobile, landline, SIP endpoint, or softphone worldwide
HD voice with G.711, G.729, Opus & AMR-WB — auto-negotiated per call
Sub-150ms latency on major voice corridors via distributed PoPs
99.99% uptime SLA backed by geo-redundant infrastructure & sub-2s failover
WebRTC support for browser-based calling without softphone installs
REST APIs for provisioning, routing & call detail records (CDRs)
Built-in fraud protection with AI anomaly detection & STIR/SHAKEN
24/7 network monitoring and dedicated support
How to get your UK virtual number
Most businesses are live within hours, not days.
Pick your area code — London 020, Manchester 0161, Edinburgh 0131 or another UK code, based on where you want to look local.
Point the calls somewhere — Forward to a mobile, an existing PBX, a SIP trunk or a softphone — MCM routes to any destination.
Provision it — Grab a single number in the self-service portal, or use the REST API for bulk numbers and CRM integration.
Go live — Take calls with caller ID, recording and CDR access from day one.
Other country dialing guides
More country codes worth bookmarking.
Get a UK virtual number with MCM
Put a real +44 number in front of British customers — local caller ID, global routing, sub-150ms latency and a 99.99% uptime SLA, trusted by 17,500+ businesses. No credit card, 5-minute setup, no contracts.
UK +44 — FAQ
What is the country code for the UK?expand_more
It's +44, covering England, Scotland, Wales and Northern Ireland. Dial it after your country's exit code (011 from the US, 00 from most of the world) and before the UK number with its leading 0 removed.
Do I drop the 0 when calling a UK number from abroad?expand_more
Yes — always. The leading 0 is the domestic trunk prefix. From overseas it's +44 20 7946 0958 and +44 7700 900123, never +44 020… or +44 07….
How do I call a UK number from the US?expand_more
Dial 011 + 44 + the area code or mobile prefix (drop the 0) + the number — e.g. 011 44 20 7946 0958 for London.
What is the area code for London?expand_more
London is 020, followed by an 8-digit number. It is not "0207" or "0208" — the 7 or 8 is the first digit of the local number.
What does a UK mobile number look like?expand_more
UK mobiles start 07 (commonly 077, 078, 079), e.g. 07700 900123. From abroad it becomes +44 7700 900123.
How many digits is a UK phone number?expand_more
Usually 11 digits including the leading 0 (so 10 after the 0). The split between area code and local number varies by region.
Why are UK area codes different lengths?expand_more
Ofcom allocates shorter codes to bigger areas: London is 2 digits (020), large cities 3 (0161), and smaller towns 4–5 digits. The number after the code adjusts to keep the total length consistent.
Is a 070 number a mobile?expand_more
No. 070 "personal numbers" resemble mobiles but route differently and can be expensive. Genuine UK mobiles begin 077, 078 or 079.
Does the UK use daylight saving time?expand_more
Yes. The UK runs on GMT (UTC+0) in winter and British Summer Time (UTC+1) from late March to late October, so the time gap to you shifts twice a year.
How can I get a UK phone number if I don't live in Britain?expand_more
A UK virtual number from MCM gives you a real +44 line in the area code you choose — London, Manchester, Edinburgh — ringing on your existing devices anywhere in the world.