03066 UK-wide numbers
Ofcom’s numbering data lists 100 number ranges starting 03066. 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.
Explore by the next digit
Each block below starts 03066. Pick one to narrow it down.
What a 03066 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.
03066 numbers: common questions
How do I call a 03066 number from abroad?
Replace the leading 0 with +44. For example, a number starting 03066 becomes +44 3066 followed by the rest of the number.
How much does it cost to call a 03066 number?
Never cost more than calling an 01 or 02 number, and count towards inclusive minutes.
Is a call from a 03066 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 03066 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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