Call UK 0800 Numbers
Freephone and Toll Free
Need to call a UK 0800 number from your mobile or from abroad? Learn how to dial, what to expect when calling from outside the UK, and how to connect instantly from your browser using StartACall.
How to Call UK 0800 from Mobile
Step by step instructions for calling UK freephone numbers from within the UK and from abroad, and a reliable browser calling option.
Calling from a UK Mobile
Dial the 0800 number exactly as listed, for example 0800 123 4567. Calls to 0800 and 0808 numbers are free from UK mobiles and landlines unless otherwise stated.
Calling from Outside the UK
Try replacing the leading 0 with +44 and dial +44 800 xxx xxxx. Note that many 0800 numbers are restricted to UK networks and may not accept international calls.
Browser Calling Alternative
If international dialing fails, use a browser-based calling service to connect to the UK PSTN. StartACall bridges your browser to the UK network so you can reach 0800 and other UK numbers from anywhere.
Dialing Examples
Examples showing common formats when calling 0800 numbers from UK and abroad.
UK Area Codes
Common area codes for major UK cities. Use these when dialing geographic numbers from abroad by adding +44 and the area code without the leading zero.
| City | Region | Area Code |
|---|---|---|
| London | England | 20 |
| Manchester | England | 161 |
| Birmingham | England | 121 |
| Glasgow | Scotland | 141 |
| Leeds | England | 113 |
| City | Region | Area Code |
|---|---|---|
| Liverpool | England | 151 |
| Edinburgh | Scotland | 131 |
| Bristol | England | 117 |
| Belfast | Northern Ireland | 28 |
| Cardiff | Wales | 29 |
UK Freephone Details
Important considerations when calling 0800 numbers from mobile and internationally.
0800 and 0808 are Free
Calls to 0800 and 0808 numbers are typically free from UK mobiles and landlines. Some numbers may be routed via third party providers and could behave differently. Check the caller information if unsure.
International Access Limitations
Many UK freephone numbers restrict inbound calls to UK networks. If you are outside the UK and cannot connect, look for an alternative contact number or use a browser calling service to reach the number.
Reach UK 0800 Numbers from Anywhere
StartACall connects your browser to the UK phone network so you can call UK freephone and geographic numbers without installing apps. Perfect for support teams, remote staff, and international users.
- Call any UK number directly from your browser
- Reach UK-only numbers using our PSTN bridge
- Buy and manage virtual numbers across countries
- Real-time call analytics and AI copilot assistance
Global Reach
Call UK numbers from any country through your browser.
Secure
Encrypted connections and enterprise controls for your calls.
Instant
Start calling in seconds from Chrome, Safari, or Firefox.
Any Number
Dial 0800, 03, geographic, or mobile numbers across the UK.
Frequently Asked Questions
Are 0800 numbers free from UK mobiles?
Yes. Calls to 0800 and 0808 numbers are generally free from UK mobiles and landlines. Check the number's terms if you are unsure.
Can I call a UK 0800 number from abroad?
Some 0800 numbers accept international calls when dialed as +44 800 xxx xxxx but many do not. If it does not connect, use an alternative listed number or a browser calling service to reach the organisation.
How do I dial a UK geographic number from abroad?
Replace the leading 0 with +44 and include the area code. For example, a London number 020 7946 0018 becomes +44 20 7946 0018.
Can StartACall help me reach UK-only numbers?
Yes. StartACall bridges your browser to the UK PSTN so you can call numbers that may not be reachable through standard international dialing. Sign up to start calling from your browser.
Ready to call UK 0800 numbers?
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