03311 UK-wide numbers
Ofcom’s numbering data lists 100 number ranges starting 03311, allocated to 1 provider. 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 03311 ranges given to?
Providers Ofcom allocated these number ranges to.
- Not allocated to a provider94 ranges
- BT6 ranges
Range status
How Ofcom lists the ranges starting 03311.
Explore by the next digit
Each block below starts 03311. Pick one to narrow it down.
What a 03311 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.
03311 numbers: common questions
Who owns 03311 numbers?
Ofcom allocated the ranges starting 03311 to BT. 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 03311 number from abroad?
Replace the leading 0 with +44. For example, a number starting 03311 becomes +44 3311 followed by the rest of the number.
How much does it cost to call a 03311 number?
Never cost more than calling an 01 or 02 number, and count towards inclusive minutes.
Is a call from a 03311 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 03311 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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