03704 UK-wide numbers
Ofcom’s numbering data lists 100 number ranges starting 03704, allocated to 15 providers. The largest holder is Vodafone Ltd (C&W), with 19% 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 03704 ranges given to?
Providers Ofcom allocated these number ranges to.
- Not allocated to a provider43 ranges
- Vodafone Ltd (C&W)19 ranges
- TalkTalk Communications Limited16 ranges
- GCI Network Solutions Limited6 ranges
- Magrathea Telecommunications Limited5 ranges
- Inet Telecoms Ltd (Voipfone)1 range
- BT1 range
- Gamma Telecom Holdings Limited1 range
- TTNC Limited1 range
- Barritel Limited1 range
- Lumen Technologies UK Limited1 range
- Nexus Telecommunications Limited1 range
+ 4 more
Range status
How Ofcom lists the ranges starting 03704.
Allocations by year
Explore by the next digit
Each block below starts 03704. Pick one to narrow it down.
What a 03704 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.
03704 numbers: common questions
Who owns 03704 numbers?
Ofcom allocated the ranges starting 03704 to Vodafone Ltd (C&W), TalkTalk Communications Limited, 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 03704 number from abroad?
Replace the leading 0 with +44. For example, a number starting 03704 becomes +44 3704 followed by the rest of the number.
How much does it cost to call a 03704 number?
Never cost more than calling an 01 or 02 number, and count towards inclusive minutes.
Is a call from a 03704 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 03704 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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