Geographic numbers

Area codes starting 0138

Ofcom’s numbering data lists 4,447 number ranges starting 0138, allocated to 123 providers. The largest holder is BT, with 10% of them.

Number type
Geographic numbers
01 / 02
Area
Various
17 area codes
Ofcom ranges
4,447
1,722 allocated
First allocated
1994
123 providers

Who were 0138 ranges given to?

Providers Ofcom allocated these number ranges to.

  • Not allocated to a provider2,725 ranges
  • BT443 ranges
  • Vodafone Ltd (C&W)77 ranges
  • Sky UK Limited77 ranges
  • GCI Network Solutions Limited61 ranges
  • TalkTalk Communications Limited50 ranges
  • Gamma Telecom Holdings Limited49 ranges
  • Magrathea Telecommunications Limited32 ranges
  • Virgin Media Limited26 ranges
  • Digital Space Group Limited23 ranges
  • Colt Technology Services19 ranges
  • IOVOX Limited16 ranges

+ 112 more

Range status

How Ofcom lists the ranges starting 0138.

Protected · 2,626 Allocated · 1,722 Free · 87 Quarantined · 12

Allocations by year

19942026

What do these statuses mean?

Explore by the next digit

Each block below starts 0138. Pick one to narrow it down.

What a 0138 number tells you

What it is

Ordinary landline numbers tied to a place. The area code tells you which dialling area the number was issued for – 0161 is Manchester, 020 is London, 01388 is Bishop Auckland.

What it costs

Charged as a normal UK call and usually included in landline and mobile allowances.

Watch out for

A local-looking number feels familiar, which is exactly why scammers spoof them. A local area code is not proof the caller is local.

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

0138 numbers: common questions

Who owns 0138 numbers?

Ofcom allocated the ranges starting 0138 to BT, Vodafone Ltd (C&W), Sky UK 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 0138 number from abroad?

Replace the leading 0 with +44. For example, a number starting 0138 becomes +44 138 followed by the rest of the number.

How much does it cost to call a 0138 number?

Charged as a normal UK call and usually included in landline and mobile allowances.

Is a call from a 0138 number a scam?

A local-looking number feels familiar, which is exactly why scammers spoof them. A local area code is not proof the caller is local. 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 0138 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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