Geographic numbers

01833 numbers in Barnard Castle

01833 is the area code for Barnard Castle. Ofcom’s numbering data lists 424 number ranges starting 01833, allocated to 86 providers. The largest holder is GCI Network Solutions Limited, with 3% of them.

Number type
Geographic numbers
01 / 02
Area
Barnard Castle
0 area codes
Ofcom ranges
424
105 allocated
First allocated
1994
86 providers

Who were 01833 ranges given to?

Providers Ofcom allocated these number ranges to.

  • Not allocated to a provider319 ranges
  • GCI Network Solutions Limited11 ranges
  • BT8 ranges
  • Fuse 2 Communications Ltd2 ranges
  • TalkTalk Communications Limited2 ranges
  • IOVOX Limited1 range
  • Localphone Limited1 range
  • Suretec Systems Ltd1 range
  • YayYay Limited1 range
  • Belgacom International Carrier Services SA1 range
  • Mars Communications Limited1 range
  • Telecom2 Limited1 range

+ 75 more

Range status

How Ofcom lists the ranges starting 01833.

Protected · 311 Allocated · 105 Free · 7 Quarantined · 1

Allocations by year

19942026

What do these statuses mean?

Explore by the next digit

Each block below starts 01833. Pick one to narrow it down.

What a 01833 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

01833 numbers: common questions

Who owns 01833 numbers?

Ofcom allocated the ranges starting 01833 to GCI Network Solutions Limited, BT, Fuse 2 Communications Ltd 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 01833 number from abroad?

Replace the leading 0 with +44. For example, a number starting 01833 becomes +44 1833 followed by the rest of the number.

How much does it cost to call a 01833 number?

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

Is a call from a 01833 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 01833 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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