02034 numbers in London
Numbers beginning 02034 are part of the London dialling area, whose area code is 020. Ofcom’s numbering data lists 100 number ranges starting 02034, allocated to 46 providers. The largest holder is BT, with 15% of them.
Who were 02034 ranges given to?
Providers Ofcom allocated these number ranges to.
- BT15 ranges
- Not allocated to a provider15 ranges
- Colt Technology Services7 ranges
- Verizon UK Limited7 ranges
- Gamma Telecom Holdings Limited6 ranges
- TalkTalk Communications Limited4 ranges
- Magrathea Telecommunications Limited3 ranges
- TeleWare Group Limited2 ranges
- Ccpro Solutions Limited2 ranges
- Vodafone Ltd (C&W)2 ranges
- Telecoms World Limited1 range
- X-on Health Limited1 range
+ 35 more
Range status
How Ofcom lists the ranges starting 02034.
Allocations by year
Explore by the next digit
Each block below starts 02034. Pick one to narrow it down.
What a 02034 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.
02034 numbers: common questions
Where is the 020 area code?
020 is the UK dialling code for London. Calls from a 020 number were made from a phone line issued for that area – although caller ID can be faked, so a local code is not proof the caller is local.
Who owns 02034 numbers?
Ofcom allocated the ranges starting 02034 to BT, Colt Technology Services, Verizon 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 02034 number from abroad?
Replace the leading 0 with +44. For example, a number starting 020 becomes +44 20 followed by the rest of the number.
How much does it cost to call a 02034 number?
Charged as a normal UK call and usually included in landline and mobile allowances.
Is a call from a 02034 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 02034 number call you?
Check the full number to see if it belongs to a verified UK business and what other people have reported.
UK phone numbers explained → · Let us screen unknown callers →