020457 numbers in London
Numbers beginning 020457 are part of the London dialling area, whose area code is 020. Ofcom’s numbering data lists 10 number ranges starting 020457, allocated to 7 providers. The largest holder is Colt Technology Services, with 30% of them.
Who were 020457 ranges given to?
Providers Ofcom allocated these number ranges to.
- Colt Technology Services3 ranges
- Voxbone SA2 ranges
- Twilio Ireland Limited1 range
- Comms Solutions Limited1 range
- JAINTEL LIMITED1 range
- SMARTVOICE LTD1 range
- Belgacom International Carrier Services SA1 range
Range status
How Ofcom lists the ranges starting 020457.
Allocations by year
Explore by the next digit
Each block below starts 020457. Pick one to narrow it down.
What a 020457 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.
020457 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 020457 numbers?
Ofcom allocated the ranges starting 020457 to Colt Technology Services, Voxbone SA, Twilio Ireland 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 020457 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 020457 number?
Charged as a normal UK call and usually included in landline and mobile allowances.
Is a call from a 020457 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 020457 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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