A UK mobile number starts with 07 at home and +44 7 from abroad, with ten digits after +44. From outside the UK you can get one with a UK SIM or eSIM, keep an existing UK number active while roaming, or use a temporary UK number to receive a single verification code. Watch the prefix: 070 and 076 look like mobiles but are not.
What a UK mobile number looks like
| Used for | A mobile line? | |
|---|---|---|
| 071–075, 077–079 | Mobile phones | Yes |
| 07624 | Mobile phones on the Isle of Man | Yes |
| 070 | Personal numbers that forward calls | No |
| 076 (except 07624) | Pagers | No |
Ranges as listed for the UK numbering plan. All mobile numbers have ten digits after the trunk 0.
At home you write 07700 900123. In international format the 0 disappears: +44 7700 900123. Sign-up forms want the second version, or the first with the 0 removed after you pick the United Kingdom.
Your options from abroad
| Calls | Lasts | Best for | |
|---|---|---|---|
| UK SIM or eSIM | Yes | While the plan runs | Everyday use and long-term accounts |
| Your old UK number, kept active | Yes, with roaming | As long as you keep it | Accounts already tied to it |
| Calling app with a UK number | Yes, over the internet | While you subscribe | Calls; often refused for codes |
| Temporary UK number | No, receives texts only | Up to ten minutes | A single sign-up code |
Which services expect a UK number
- UK-only apps and shops often only send codes to +44 numbers.
- Global messengers such as WhatsApp and Telegram accept numbers from almost anywhere; a UK number simply makes sense if your contacts are in the UK.
- Marketplaces and delivery apps in the UK may ask for a +44 number before you can message sellers or couriers.
- Banks, payment apps and government services also ask for a UK number. A temporary number is not for those, and they are excluded anyway.
Getting a code on a UK number
- Start with the service, then pick the United Kingdom UK availability is listed per service and changes daily.
- Look at the success rate If the UK rate is low for your app, a neighbouring country may work better.
- Enter it as +44 7… Drop the leading 0 when +44 is already selected in the form.
- Read the code in the app No text after about two minutes? Switch to another UK number at no extra charge.
Common pairs: WhatsApp with a UK number, Telegram with a UK number, and every service on the United Kingdom page.
Common questions
How do I get a UK phone number from abroad?
For a number you keep, a UK SIM or eSIM. For one verification code, a temporary UK number is enough.
How many digits does a UK mobile number have?
Eleven with the leading 0 (07…), or ten after +44.
Is every 07 number a mobile?
No. 070 numbers are personal forwarding numbers and 076 numbers are pagers, except 07624 on the Isle of Man.
Can I keep WhatsApp on my UK number after moving abroad?
Yes, as long as the number stays active. WhatsApp only needs it again when you register on a new phone, and then the code must reach that UK number, by text or call.
Do I keep the 0 after +44?
No. +44 replaces it: 07700 900123 becomes +44 7700 900123.