02030 numbers in London
Numbers beginning 02030 are part of the London dialling area, whose area code is 020. Ofcom’s numbering data lists 100 number ranges starting 02030, allocated to 33 providers. The largest holder is BT, with 25% of them.
Who were 02030 ranges given to?
Providers Ofcom allocated these number ranges to.
- BT25 ranges
- Not allocated to a provider13 ranges
- Colt Technology Services10 ranges
- Gamma Telecom Holdings Limited8 ranges
- Verizon UK Limited5 ranges
- Vodafone Ltd (C&W)4 ranges
- Virgin Media Limited3 ranges
- Sky UK Limited3 ranges
- Digital Space Group Limited2 ranges
- VoiceHost Limited2 ranges
- Six Degrees Technology Group Limited2 ranges
- Voicetec Systems Ltd1 range
+ 22 more
Range status
How Ofcom lists the ranges starting 02030.
Allocations by year
Explore by the next digit
Each block below starts 02030. Pick one to narrow it down.
What a 02030 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.
02030 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 02030 numbers?
Ofcom allocated the ranges starting 02030 to BT, Colt Technology Services, Gamma Telecom Holdings 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 02030 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 02030 number?
Charged as a normal UK call and usually included in landline and mobile allowances.
Is a call from a 02030 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 02030 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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