Geographic numbers

Area codes starting 0143

Ofcom’s numbering data lists 4,816 number ranges starting 0143, allocated to 122 providers. The largest holder is BT, with 2% of them.

Number type
Geographic numbers
01 / 02
Area
Various
31 area codes
Ofcom ranges
4,816
1,386 allocated
First allocated
1994
122 providers

Who were 0143 ranges given to?

Providers Ofcom allocated these number ranges to.

  • Not allocated to a provider3,430 ranges
  • BT115 ranges
  • Gamma Telecom Holdings Limited53 ranges
  • Vodafone Ltd (C&W)40 ranges
  • TalkTalk Communications Limited35 ranges
  • Sky UK Limited35 ranges
  • KCOM Group Ltd31 ranges
  • GCI Network Solutions Limited30 ranges
  • Inet Telecoms Ltd (Voipfone)26 ranges
  • Magrathea Telecommunications Limited24 ranges
  • Fuse 2 Communications Ltd23 ranges
  • Digital Space Group Limited22 ranges

+ 111 more

Range status

How Ofcom lists the ranges starting 0143.

Protected · 3,300 Allocated · 1,386 Free · 120 Quarantined · 10

Allocations by year

19942026

What do these statuses mean?

Explore by the next digit

Each block below starts 0143. Pick one to narrow it down.

What a 0143 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

0143 numbers: common questions

Who owns 0143 numbers?

Ofcom allocated the ranges starting 0143 to BT, 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 0143 number from abroad?

Replace the leading 0 with +44. For example, a number starting 0143 becomes +44 143 followed by the rest of the number.

How much does it cost to call a 0143 number?

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

Is a call from a 0143 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 0143 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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