How much does it cost to call a 0800 number?

Free from UK landlines and mobiles. The organisation you call pays for the call.

Is a call from a 0800 number a scam?

It can be. Caller IDs can be spoofed and scammers favour official-looking prefixes, so treat unexpected calls with caution: never share personal, banking or one-time-code details, and verify the organisation on a number you find independently.

Can I get a 0800 number for my business?

Yes - 0800 numbers can be set up on a hosted phone system and pointed at any line or device. Use The Geeks can provision one (or port an existing number) as part of a hosted telephony setup.

0800 Numbers – Who Called You, What They Cost & Who Uses Them

Prefix: 0800
Number type: Freephone
Cost to call: Free from UK landlines and mobiles
Geographic: No – UK-wide
Ofcom blocks in range: 7,505
Blocks in service: 3,909
Range holders: 241

What are 0800 numbers?

Numbers starting 0800 are UK freephone numbers in Ofcom’s 0800 & 0808 freephone numbers range. They are not tied to any town or city. Ofcom currently lists 7,505 number blocks under 0800, of which 3,909 are allocated to 241 providers.

Who uses 0800 numbers?

Sales lines, customer service, helplines and donation lines that want to remove any cost barrier to calling.

Who holds 0800 number ranges?

Range holder (allocated by Ofcom)	Number blocks	Example range
BT	3,003	`0800 000 XXXX`
Vodafone Ltd (C&W)	103	`0800 001 4XXX`
TalkTalk Communications Limited	63	`0800 014 2XXX`
Telecoms World Limited	46	`0800 043 XXXX`
GCI Network Solutions Limited	36	`0800 004 2XXX`
Gamma Telecom Holdings Limited	31	`0800 007 4XXX`
Virgin Media Limited	31	`0800 013 XXXX`
Colt Technology Services	29	`0800 058 4XXX`
Magrathea Telecommunications Limited	21	`0800 041 8XXX`
TTNC Limited	21	`0800 118 2XXX`
Datazero Ltd	20	`0800 058 8XXX`
Nuso Cloud UK Limited	17	`0800 117 0XXX`

…and 229 more providers hold smaller allocations in this range.

Ofcom’s data shows the provider each number range was originally allocated to — not who holds an individual number today. Numbers are frequently moved (ported) between providers, and no public database reveals the person or business behind a specific number, so treat any service that claims to with suspicion.

Scam & cost warnings

A free-to-call number is not proof an organisation is genuine: fake 'support' lines and refund scams use freephone numbers because they look reassuring. Verify the organisation independently before sharing any details.

Check a specific 0800 number

Paste the full number into the checker above to see its range holder and allocation status from this week’s Ofcom data — free, no sign-up.

Related 080 prefixes

0808

0800 & 0808 freephone numbers guide › · All UK number ranges ›

0800 numbers – who called you, and what do they cost?