03330 UK-wide numbers
Ofcom’s numbering data lists 100 number ranges starting 03330, allocated to 33 providers. The largest holder is Gamma Telecom Holdings Limited, with 15% 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 03330 ranges given to?
Providers Ofcom allocated these number ranges to.
- Not allocated to a provider43 ranges
- Gamma Telecom Holdings Limited15 ranges
- TalkTalk Communications Limited4 ranges
- Barritel Limited3 ranges
- Colt Technology Services2 ranges
- Mission Labs Limited2 ranges
- M3st Limited2 ranges
- Buzz Networks Limited2 ranges
- Vodafone Ltd (C&W)2 ranges
- NETAVO Global Data Services Ltd1 range
- Digital Mail Limited1 range
- Sysconfig Ltd1 range
+ 22 more
Range status
How Ofcom lists the ranges starting 03330.
Allocations by year
Explore by the next digit
Each block below starts 03330. Pick one to narrow it down.
What a 03330 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.
03330 numbers: common questions
Who owns 03330 numbers?
Ofcom allocated the ranges starting 03330 to Gamma Telecom Holdings Limited, TalkTalk Communications Limited, Barritel 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 03330 number from abroad?
Replace the leading 0 with +44. For example, a number starting 03330 becomes +44 3330 followed by the rest of the number.
How much does it cost to call a 03330 number?
Never cost more than calling an 01 or 02 number, and count towards inclusive minutes.
Is a call from a 03330 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 03330 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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