UK-wide 03 numbers

03706 UK-wide numbers

Ofcom’s numbering data lists 100 number ranges starting 03706, allocated to 9 providers. The largest holder is BT, with 11% 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 3706…
Drop the 0, add +44
Ofcom ranges
100
21 allocated
First allocated
2007
9 providers

Who were 03706 ranges given to?

Providers Ofcom allocated these number ranges to.

  • Not allocated to a provider79 ranges
  • BT11 ranges
  • Dynamic Mobile Billing Limited2 ranges
  • Windsor Telecom Limited2 ranges
  • Barritel Limited1 range
  • Commi Holdings Limited1 range
  • 24 Seven Communications Limited1 range
  • Square Systems Limited1 range
  • Number Solutions Ltd1 range
  • TTNC Limited1 range

Range status

How Ofcom lists the ranges starting 03706.

Protected · 79 Allocated · 21

Allocations by year

20072018

What do these statuses mean?

Explore by the next digit

Each block below starts 03706. Pick one to narrow it down.

What a 03706 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

03706 numbers: common questions

Who owns 03706 numbers?

Ofcom allocated the ranges starting 03706 to BT, Dynamic Mobile Billing Limited, Windsor Telecom 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 03706 number from abroad?

Replace the leading 0 with +44. For example, a number starting 03706 becomes +44 3706 followed by the rest of the number.

How much does it cost to call a 03706 number?

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

Is a call from a 03706 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 03706 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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