UK-wide 03 numbers

0330 UK-wide numbers

Ofcom’s numbering data lists 1,000 number ranges starting 0330, allocated to 152 providers. The largest holder is Thumbtel Ltd, with 3% 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.

Number type
UK-wide 03 numbers
03
From abroad
+44 330…
Drop the 0, add +44
Ofcom ranges
1,000
306 allocated
First allocated
2007
152 providers

Who were 0330 ranges given to?

Providers Ofcom allocated these number ranges to.

  • Not allocated to a provider694 ranges
  • Thumbtel Ltd26 ranges
  • Gamma Telecom Holdings Limited21 ranges
  • Vodafone Ltd (C&W)18 ranges
  • GCI Network Solutions Limited9 ranges
  • Barritel Limited8 ranges
  • BT8 ranges
  • Network Rail Infrastructure Limited7 ranges
  • Voiceflex Limited6 ranges
  • Lumen Technologies UK Limited6 ranges
  • EE Limited (Orange)5 ranges
  • Citrus Telecommunications Ltd5 ranges

+ 141 more

Range status

How Ofcom lists the ranges starting 0330.

Free · 650 Allocated · 306 Protected · 37 Reserved · 6 Quarantined · 1

Allocations by year

20072025

What do these statuses mean?

Explore by the next digit

Each block below starts 0330. Pick one to narrow it down.

What a 0330 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

0330 numbers: common questions

Who owns 0330 numbers?

Ofcom allocated the ranges starting 0330 to Thumbtel Ltd, Gamma Telecom Holdings Limited, Vodafone Ltd (C&W) 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 0330 number from abroad?

Replace the leading 0 with +44. For example, a number starting 0330 becomes +44 330 followed by the rest of the number.

How much does it cost to call a 0330 number?

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

Is a call from a 0330 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 0330 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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