Corporate and VoIP numbers

056023 corporate & VoIP numbers

Ofcom’s numbering data lists 10 number ranges starting 056023. 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 56023…
Drop the 0, add +44
Ofcom ranges
10
0 allocated
First allocated
—
No provider listed

Range status

How Ofcom lists the ranges starting 056023.

Quarantined · 10

What do these statuses mean?

Explore by the next digit

Each block below starts 056023. Pick one to narrow it down.

What a 056023 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

056023 numbers: common questions

How do I call a 056023 number from abroad?

Replace the leading 0 with +44. For example, a number starting 056023 becomes +44 56023 followed by the rest of the number.

How much does it cost to call a 056023 number?

Costs vary by provider – check your tariff.

Is a call from a 056023 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 056023 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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