033333 UK-wide numbers
Ofcom’s numbering data lists 10 number ranges starting 033333, allocated to 9 providers. The largest holder is Hutchison 3G UK Ltd, with 10% 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 033333 ranges given to?
Providers Ofcom allocated these number ranges to.
- Hutchison 3G UK Ltd1 range
- IP Voice Networks Ltd1 range
- Not allocated to a provider1 range
- GCI Network Solutions Limited1 range
- X-on Health Limited1 range
- Babble Cloud (SUI) Limited1 range
- Solutios Limited1 range
- Liquid 11 Limited1 range
- Mintaka Limited1 range
- Internet of Things Limited1 range
Range status
How Ofcom lists the ranges starting 033333.
Allocations by year
Explore by the next digit
Each block below starts 033333. Pick one to narrow it down.
What a 033333 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.
033333 numbers: common questions
Who owns 033333 numbers?
Ofcom allocated the ranges starting 033333 to Hutchison 3G UK Ltd, IP Voice Networks Ltd, 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 033333 number from abroad?
Replace the leading 0 with +44. For example, a number starting 033333 becomes +44 33333 followed by the rest of the number.
How much does it cost to call a 033333 number?
Never cost more than calling an 01 or 02 number, and count towards inclusive minutes.
Is a call from a 033333 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 033333 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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