How much does it cost to call a 0370 number?

Same as 01/02 calls; included in inclusive minutes. Ofcom rules guarantee this.

Is a call from a 0370 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 0370 number for my business?

Yes - 0370 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.

0370 Numbers – Cost, Who Uses Them & Range Holders

Prefix: 0370
Number type: UK-wide non-geographic
Cost to call: Same as 01/02 calls; included in inclusive minutes
Geographic: No – UK-wide
Ofcom blocks in range: 1,000
Blocks in service: 670
Range holders: 64

What are 0370 numbers?

Numbers starting 0370 are UK uk-wide non-geographic numbers in Ofcom’s 03 numbers range. They are not tied to any town or city. Ofcom currently lists 1,000 number blocks under 0370, of which 670 are allocated to 64 providers.

Who uses 0370 numbers?

Public bodies, charities and national businesses that want one number for the whole UK without tying it to a town.

Who holds 0370 number ranges?

Range holder (allocated by Ofcom)	Number blocks	Example range
Vodafone Ltd (C&W)	139	`0370 010 XXXX`
BT	128	`0370 090 XXXX`
GCI Network Solutions Limited	66	`0370 020 XXXX`
TalkTalk Communications Limited	65	`0370 011 XXXX`
Virgin Media Limited	60	`0370 012 XXXX`
Colt Technology Services	29	`0370 099 XXXX`
Magrathea Telecommunications Limited	13	`0370 068 XXXX`
Alphatalk Limited	11	`0370 061 XXXX`
Daisy Communications Ltd	11	`0370 720 XXXX`
Gamma Telecom Holdings Limited	11	`0370 034 XXXX`
Digital Space Group Limited	10	`0370 101 XXXX`
Flextel Limited	10	`0370 312 XXXX`

…and 52 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

0370 numbers are low-risk for callers because Ofcom caps their cost at the 01/02 rate — but scammers still use and spoof them precisely because they look official. An 0370 caller ID is not proof you’re talking to a government body or bank.

Check a specific 0370 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.

Run mobiles for a business? See our business mobile network comparison or get a quote.

Related 03 prefixes

0300 0303 0306 0330 0331 0333 0343 0344 0345 0371 0372

03 numbers guide › · All UK number ranges ›

0370 numbers – cost & who uses them