033300 UK-wide numbers
Ofcom’s numbering data lists 10 number ranges starting 033300, allocated to 5 providers. The largest holder is TalkTalk Communications Limited, with 30% 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 033300 ranges given to?
Providers Ofcom allocated these number ranges to.
- TalkTalk Communications Limited3 ranges
- Gamma Telecom Holdings Limited2 ranges
- Not allocated to a provider2 ranges
- Lanonyx Telecom Limited1 range
- Vodafone Ltd (C&W)1 range
- Virgin Media Limited1 range
Range status
How Ofcom lists the ranges starting 033300.
Allocations by year
Explore by the next digit
Each block below starts 033300. Pick one to narrow it down.
What a 033300 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.
033300 numbers: common questions
Who owns 033300 numbers?
Ofcom allocated the ranges starting 033300 to TalkTalk Communications Limited, Gamma Telecom Holdings Limited, Lanonyx Telecom 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 033300 number from abroad?
Replace the leading 0 with +44. For example, a number starting 033300 becomes +44 33300 followed by the rest of the number.
How much does it cost to call a 033300 number?
Never cost more than calling an 01 or 02 number, and count towards inclusive minutes.
Is a call from a 033300 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 033300 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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