03333 UK-wide numbers
Ofcom’s numbering data lists 100 number ranges starting 03333, allocated to 41 providers. The largest holder is Glide Student and Residential Limited, with 8% 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 03333 ranges given to?
Providers Ofcom allocated these number ranges to.
- Not allocated to a provider46 ranges
- Glide Student and Residential Limited8 ranges
- Vox Sciences Limited2 ranges
- GCI Network Solutions Limited2 ranges
- Orbtalk Limited2 ranges
- Internet of Things Limited2 ranges
- TalkTalk Communications Limited2 ranges
- INTELLIGENT EXCHANGES LIMITED2 ranges
- Budget Numbers Limited1 range
- Hutchison 3G UK Ltd1 range
- Nationwide Telephone Assistance Ltd1 range
- Magrathea Telecommunications Limited1 range
+ 30 more
Range status
How Ofcom lists the ranges starting 03333.
Allocations by year
Explore by the next digit
Each block below starts 03333. Pick one to narrow it down.
What a 03333 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.
03333 numbers: common questions
Who owns 03333 numbers?
Ofcom allocated the ranges starting 03333 to Glide Student and Residential Limited, Vox Sciences Limited, 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 03333 number from abroad?
Replace the leading 0 with +44. For example, a number starting 03333 becomes +44 3333 followed by the rest of the number.
How much does it cost to call a 03333 number?
Never cost more than calling an 01 or 02 number, and count towards inclusive minutes.
Is a call from a 03333 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 03333 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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