UK-wide 03 numbers

033016 UK-wide numbers

Ofcom’s numbering data lists 10 number ranges starting 033016, allocated to 7 providers. The largest holder is Odigo, with 10% 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 33016…
Drop the 0, add +44
Ofcom ranges
10
7 allocated
First allocated
2011
7 providers

Who were 033016 ranges given to?

Providers Ofcom allocated these number ranges to.

  • Not allocated to a provider3 ranges
  • Odigo1 range
  • Firstcom Europe Limited1 range
  • Gamma Telecom Holdings Limited1 range
  • Odyssey Systems Ltd1 range
  • Syntec Limited1 range
  • Lumen Technologies UK Limited1 range
  • Infinity Tracking Ltd1 range

Range status

How Ofcom lists the ranges starting 033016.

Allocated · 7 Protected · 3

Allocations by year

20112023

What do these statuses mean?

Explore by the next digit

Each block below starts 033016. Pick one to narrow it down.

What a 033016 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

033016 numbers: common questions

Who owns 033016 numbers?

Ofcom allocated the ranges starting 033016 to Odigo, Firstcom Europe Limited, Gamma Telecom Holdings 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 033016 number from abroad?

Replace the leading 0 with +44. For example, a number starting 033016 becomes +44 33016 followed by the rest of the number.

How much does it cost to call a 033016 number?

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

Is a call from a 033016 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 033016 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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