UK-wide 03 numbers

0370 UK-wide numbers

Ofcom’s numbering data lists 1,000 number ranges starting 0370, allocated to 64 providers. The largest holder is Vodafone Ltd (C&W), with 14% of them. Non-geographic numbers used by public bodies, charities and businesses that want one number for the whole country. 030 is used by public sector and not-for-profit organisations.

Number type
UK-wide 03 numbers
03
From abroad
+44 370…
Drop the 0, add +44
Ofcom ranges
1,000
670 allocated
First allocated
2007
64 providers

Who were 0370 ranges given to?

Providers Ofcom allocated these number ranges to.

  • Not allocated to a provider330 ranges
  • Vodafone Ltd (C&W)139 ranges
  • BT128 ranges
  • GCI Network Solutions Limited66 ranges
  • TalkTalk Communications Limited65 ranges
  • Virgin Media Limited60 ranges
  • Colt Technology Services29 ranges
  • Magrathea Telecommunications Limited13 ranges
  • Gamma Telecom Holdings Limited11 ranges
  • Alphatalk Limited11 ranges
  • Daisy Communications Ltd11 ranges
  • Six Degrees Technology Group Limited10 ranges

+ 53 more

Range status

How Ofcom lists the ranges starting 0370.

Allocated · 670 Protected · 326 Free · 4

Allocations by year

20072025

What do these statuses mean?

Explore by the next digit

Each block below starts 0370. Pick one to narrow it down.

What a 0370 number tells you

What it is

Non-geographic numbers used by public bodies, charities and businesses that want one number for the whole country. 030 is used by public sector and not-for-profit organisations.

What it costs

Never cost more than calling an 01 or 02 number, and count towards inclusive minutes.

Watch out for

Banks and government departments often use 03 numbers, so scammers spoof them. If a caller asks for security details, hang up and call the number on your card or statement.

The range holder isn’t necessarily the caller. Ofcom gives numbers to providers in blocks, and people and businesses can take their number with them when they switch. To find out who actually called, check the full number.
Questions

0370 numbers: common questions

Who owns 0370 numbers?

Ofcom allocated the ranges starting 0370 to Vodafone Ltd (C&W), BT, GCI Network Solutions Limited and others. Numbers can be moved between providers, so this shows who the range was originally given to – not who is using a particular number today.

How do I call a 0370 number from abroad?

Replace the leading 0 with +44. For example, a number starting 0370 becomes +44 370 followed by the rest of the number.

How much does it cost to call a 0370 number?

Never cost more than calling an 01 or 02 number, and count towards inclusive minutes.

Is a call from a 0370 number a scam?

Banks and government departments often use 03 numbers, so scammers spoof them. If a caller asks for security details, hang up and call the number on your card or statement. Check the full number on Who’s Calling to see if it belongs to a verified business and what other people have reported.

Did a 0370 number call you?

Check the full number to see if it belongs to a verified UK business and what other people have reported.

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