03701 UK-wide numbers
Ofcom’s numbering data lists 100 number ranges starting 03701, allocated to 16 providers. The largest holder is Vodafone Ltd (C&W), with 32% 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.
Who were 03701 ranges given to?
Providers Ofcom allocated these number ranges to.
- Vodafone Ltd (C&W)32 ranges
- Not allocated to a provider17 ranges
- GCI Network Solutions Limited14 ranges
- Colt Technology Services10 ranges
- Digital Space Group Limited9 ranges
- BT5 ranges
- TalkTalk Communications Limited3 ranges
- DRD Communications Limited1 range
- Magrathea Telecommunications Limited1 range
- Gamma Telecom Holdings Limited1 range
- Nextec UK Limited1 range
- Core Telecom Limited1 range
+ 5 more
Range status
How Ofcom lists the ranges starting 03701.
Allocations by year
Explore by the next digit
Each block below starts 03701. Pick one to narrow it down.
What a 03701 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.
03701 numbers: common questions
Who owns 03701 numbers?
Ofcom allocated the ranges starting 03701 to Vodafone Ltd (C&W), GCI Network Solutions Limited, Colt Technology Services 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 03701 number from abroad?
Replace the leading 0 with +44. For example, a number starting 03701 becomes +44 3701 followed by the rest of the number.
How much does it cost to call a 03701 number?
Never cost more than calling an 01 or 02 number, and count towards inclusive minutes.
Is a call from a 03701 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 03701 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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