0551100 corporate & VoIP numbers
Ofcom’s numbering data lists 1 number range starting 0551100, allocated to 1 provider. 055 numbers are used for corporate networks; 056 numbers are location-independent numbers often used by internet (VoIP) phone services.
Who were 0551100 ranges given to?
Providers Ofcom allocated these number ranges to.
- Pulsant (Scotland) Limited1 range
Range status
How Ofcom lists the ranges starting 0551100.
What a 0551100 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.
0551100 numbers: common questions
Who owns 0551100 numbers?
Ofcom allocated the ranges starting 0551100 to Pulsant (Scotland) 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 0551100 number from abroad?
Replace the leading 0 with +44. For example, a number starting 0551100 becomes +44 551100 followed by the rest of the number.
How much does it cost to call a 0551100 number?
Costs vary by provider – check your tariff.
Is a call from a 0551100 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 0551100 number call you?
Check the full number to see if it belongs to a verified UK business and what other people have reported.
UK phone numbers explained → · Let us screen unknown callers →