UK-wide 03 numbers

03729 UK-wide numbers

Ofcom’s numbering data lists 1 number range starting 03729. 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.

Number type
UK-wide 03 numbers
03
From abroad
+44 3729…
Drop the 0, add +44
Ofcom ranges
1
0 allocated
First allocated
—
No provider listed

What a 03729 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.

The range holder isn’t necessarily the caller. Ofcom gives numbers to providers in blocks, and people and businesses can take their number with them when they switch. To find out who actually called, check the full number.
Questions

03729 numbers: common questions

How do I call a 03729 number from abroad?

Replace the leading 0 with +44. For example, a number starting 03729 becomes +44 3729 followed by the rest of the number.

How much does it cost to call a 03729 number?

Never cost more than calling an 01 or 02 number, and count towards inclusive minutes.

Is a call from a 03729 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 03729 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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