0800021 freephone numbers
Ofcom’s numbering data lists 10 number ranges starting 0800021, allocated to 9 providers. The largest holder is TalkTalk Communications Limited, with 20% of them. Numbers paid for by the organisation you are calling.
Who were 0800021 ranges given to?
Providers Ofcom allocated these number ranges to.
- TalkTalk Communications Limited2 ranges
- Spoke (Interactive) Limited1 range
- Node4 Ltd1 range
- BCH Digital Limited1 range
- Planet Telecom Ltd1 range
- Continuity Assured Limited1 range
- Mintaka Limited1 range
- GCI Network Solutions Limited1 range
- Daisy Communications Ltd1 range
Range status
How Ofcom lists the ranges starting 0800021.
Allocations by year
What a 0800021 number tells you
What it is
Numbers paid for by the organisation you are calling.
What it costs
Free to call from UK landlines and mobiles since July 2015.
Watch out for
Freephone numbers are easy to spoof on caller ID. A genuine 0800 number calling you is not proof the caller is genuine.
0800021 numbers: common questions
Who owns 0800021 numbers?
Ofcom allocated the ranges starting 0800021 to TalkTalk Communications Limited, Spoke (Interactive) Limited, Node4 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 0800021 number from abroad?
Replace the leading 0 with +44. For example, a number starting 0800021 becomes +44 800021 followed by the rest of the number. Some freephone, service-charge and premium numbers cannot be reached from outside the UK.
How much does it cost to call a 0800021 number?
Free to call from UK landlines and mobiles since July 2015.
Is a call from a 0800021 number a scam?
Freephone numbers are easy to spoof on caller ID. A genuine 0800 number calling you is not proof the caller is genuine. 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 0800021 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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