07021 personal numbers
Ofcom’s numbering data lists 46 number ranges starting 07021, allocated to 8 providers. The largest holder is A2B Telecom Limited, with 7% of them. Personal "follow-me" numbers that forward to another phone. They look like mobile numbers but are not.
Who were 07021 ranges given to?
Providers Ofcom allocated these number ranges to.
- Not allocated to a provider32 ranges
- A2B Telecom Limited3 ranges
- Swiftnet Limited2 ranges
- Sound Advertising Ltd2 ranges
- Phone Co-Op Numbering Limited2 ranges
- Business Broadcast Communications Limited2 ranges
- Relax Telecom Limited1 range
- TalkTalk Communications Limited1 range
- Daisy Communications Ltd1 range
Range status
How Ofcom lists the ranges starting 07021.
Allocations by year
Explore by the next digit
Each block below starts 07021. Pick one to narrow it down.
What a 07021 number tells you
What it is
Personal "follow-me" numbers that forward to another phone. They look like mobile numbers but are not.
What it costs
Since October 2019 Ofcom has capped what providers can charge to connect these calls, so most tariffs now treat them like mobile calls – but check yours.
Watch out for
070 numbers have a long history of misuse in scams because they look like mobiles and hide the real destination.
07021 numbers: common questions
Who owns 07021 numbers?
Ofcom allocated the ranges starting 07021 to A2B Telecom Limited, Swiftnet Limited, Sound Advertising 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 07021 number from abroad?
Replace the leading 0 with +44. For example, a number starting 07021 becomes +44 7021 followed by the rest of the number.
How much does it cost to call a 07021 number?
Since October 2019 Ofcom has capped what providers can charge to connect these calls, so most tariffs now treat them like mobile calls – but check yours.
Is a call from a 07021 number a scam?
070 numbers have a long history of misuse in scams because they look like mobiles and hide the real destination. 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 07021 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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