UK-wide 03 numbers

03000 UK-wide numbers

Ofcom’s numbering data lists 100 number ranges starting 03000, allocated to 37 providers. The largest holder is Gamma Telecom Holdings Limited, with 31% 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 3000…
Drop the 0, add +44
Ofcom ranges
100
88 allocated
First allocated
2007
37 providers

Who were 03000 ranges given to?

Providers Ofcom allocated these number ranges to.

  • Gamma Telecom Holdings Limited31 ranges
  • Lumen Technologies UK Limited13 ranges
  • Not allocated to a provider12 ranges
  • Vodafone Ltd (C&W)6 ranges
  • TalkTalk Communications Limited2 ranges
  • Tuxtel Ltd2 ranges
  • Virgin Media Limited2 ranges
  • Windsor Telecom Limited2 ranges
  • BT1 range
  • Tabsoft Limited1 range
  • Daisy Communications Ltd1 range
  • (AQ) LIMITED1 range

+ 26 more

Range status

How Ofcom lists the ranges starting 03000.

Allocated · 88 Protected · 7 Free · 5

Allocations by year

20072026

What do these statuses mean?

Explore by the next digit

Each block below starts 03000. Pick one to narrow it down.

What a 03000 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

03000 numbers: common questions

Who owns 03000 numbers?

Ofcom allocated the ranges starting 03000 to Gamma Telecom Holdings Limited, Lumen Technologies UK 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 03000 number from abroad?

Replace the leading 0 with +44. For example, a number starting 03000 becomes +44 3000 followed by the rest of the number.

How much does it cost to call a 03000 number?

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

Is a call from a 03000 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 03000 number call you?

Check the full number to see if it belongs to a verified UK business and what other people have reported.

UK phone numbers explained → · Let us screen unknown callers →