Corporate and VoIP numbers

056020 corporate & VoIP numbers

Ofcom’s numbering data lists 10 number ranges starting 056020, allocated to 2 providers. The largest holder is BT, with 30% of them. 055 numbers are used for corporate networks; 056 numbers are location-independent numbers often used by internet (VoIP) phone services.

Number type
Corporate and VoIP numbers
055 / 056
From abroad
+44 56020…
Drop the 0, add +44
Ofcom ranges
10
5 allocated
First allocated
2007
2 providers

Who were 056020 ranges given to?

Providers Ofcom allocated these number ranges to.

  • Not allocated to a provider5 ranges
  • BT3 ranges
  • Served Up Limited2 ranges

Range status

How Ofcom lists the ranges starting 056020.

Allocated · 5 Protected · 4 Quarantined · 1

Allocations by year

20072008

What do these statuses mean?

Explore by the next digit

Each block below starts 056020. Pick one to narrow it down.

What a 056020 number tells you

What it is

055 numbers are used for corporate networks; 056 numbers are location-independent numbers often used by internet (VoIP) phone services.

What it costs

Costs vary by provider – check your tariff.

Watch out for

Because they are not tied to a place, these numbers say little about where a caller really is.

The range holder isn’t necessarily the caller. Ofcom gives numbers to providers in blocks, and people and businesses can take their number with them when they switch. To find out who actually called, check the full number.
Questions

056020 numbers: common questions

Who owns 056020 numbers?

Ofcom allocated the ranges starting 056020 to BT, Served Up Limited. 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 056020 number from abroad?

Replace the leading 0 with +44. For example, a number starting 056020 becomes +44 56020 followed by the rest of the number.

How much does it cost to call a 056020 number?

Costs vary by provider – check your tariff.

Is a call from a 056020 number a scam?

Because they are not tied to a place, these numbers say little about where a caller really is. 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 056020 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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