03303 UK-wide numbers
Ofcom’s numbering data lists 100 number ranges starting 03303, allocated to 35 providers. The largest holder is EE Limited (Orange), with 5% 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 03303 ranges given to?
Providers Ofcom allocated these number ranges to.
- Not allocated to a provider52 ranges
- EE Limited (Orange)5 ranges
- Vodafone Ltd (C&W)4 ranges
- GCI Network Solutions Limited4 ranges
- Aloha Telecommunications Ltd3 ranges
- Virgin Media Limited2 ranges
- Datazero Ltd1 range
- Square Systems Limited1 range
- Numbers Telecom Limited1 range
- Orbital Net Limited1 range
- Phone Co-Op Numbering Limited1 range
- Mi Telecom Limited1 range
+ 24 more
Range status
How Ofcom lists the ranges starting 03303.
Allocations by year
Explore by the next digit
Each block below starts 03303. Pick one to narrow it down.
What a 03303 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.
03303 numbers: common questions
Who owns 03303 numbers?
Ofcom allocated the ranges starting 03303 to EE Limited (Orange), Vodafone Ltd (C&W), 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 03303 number from abroad?
Replace the leading 0 with +44. For example, a number starting 03303 becomes +44 3303 followed by the rest of the number.
How much does it cost to call a 03303 number?
Never cost more than calling an 01 or 02 number, and count towards inclusive minutes.
Is a call from a 03303 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 03303 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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