What is a 0800 number?
Updated: 17/09/2026
0800 numbers are freephone numbers. Free to call from UK landlines and mobiles.
0800 numbers at a glance
| Number type | Freephone number |
|---|---|
| Cost of calling | Free to call from UK landlines and mobiles. |
| Typically used by | Customer service lines, helplines, charities and sales teams |
| Number format | 0800 XXX XXXX |
| International format | +44 800 XXX XXXX |
Calls to 0800 numbers have been free from mobiles as well as landlines since July 2015. Companies also use 0800 numbers for outgoing calls, for example sales teams.
Missed call from a number starting with 0800 – what to do
- Check the full number in the search below to see reviews and reports from other people.
- Never read out one-time passcodes, card details or online banking passwords over the phone. Your bank and the police will never ask you to move money to a "safe account".
- Forward scam texts to 7726 for free and report fraud to Report Fraud, which replaced Action Fraud (in Scotland, to Police Scotland on 101).
Other non-geographic and service numbers
- 0300 – Public sector and charity number
- 0330 – Non-geographic number
- 0333 – Non-geographic number
- 0344 – Non-geographic number (replaces 0844)
- 0345 – Non-geographic number (replaces 0845)
- 0370 – Non-geographic number (replaces 0870)
- 0371 – Non-geographic number (replaces 0871)
- 070 – Personal number
- 0808 – Freephone number
- 0844 – Business rate number
- 0845 – Business rate number
- 0870 – Business rate number
- 0871 – Business rate number
All dialling codes