United Kingdom numbers
United Kingdom's international dial code is +44. This page gathers what we've published about this country's numbers — no names, no uploaders, no reporters. Just numbering-plan facts and aggregate counts.
Dialing information
- International calling code
- +44
- Dialing from abroad
- +44 7400 123456
- Dialing locally
- 07400 123456
- Domestic trunk prefix
- 0
- International call prefix
- 00
- National number length
- 7–10 digits
- Mobile number length
- 10 digits
- Fixed-line number length
- 9–10 digits
Number formats by line type
- Mobile
- +44 7XXX XXXXXX
- Landline
- +44 1XX XXX XXXX
- VoIP
- +44 5X XXXX XXXX
- Toll free
- +44 8XX XXX XXXX
- Premium rate
- +44 9XX XXX XXXX
Top prefixes
Landline · London
Landline · Coventry
Landline · Cardiff
Mobile · Original allocation: O2
Landline · Leeds
Landline · Sheffield
Landline · Nottingham
Landline · Leicester
Landline · Bristol
Landline · Reading
Landline
Landline · Birmingham
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Landline · Edinburgh
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Landline · Glasgow
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Landline · Liverpool
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Landline · Manchester
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Landline · Southampton
Landline · Portsmouth
Landline · Northern Ireland
Landline · Northern Ireland
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Landline · Northern Ireland
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Landline · Northern Ireland
Landline · Northern Ireland
Landline
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Mobile
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Mobile · Original allocation: O2
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Mobile · Original allocation: O2
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Mobile · Original allocation: O2
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Mobile · Original allocation: O2
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Mobile · Original allocation: EE
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Search a number
Frequently asked questions
Who allocates United Kingdom's numbers?
The +44 dial code and each prefix's carrier come from this country's officially published numbering plan — not from user-uploaded data.
How many indexed numbers do we have in United Kingdom?
732 indexed numbers, and 0 spam numbers — names themselves are never published, only the counts.
How do I call United Kingdom from abroad?
United Kingdom's international dial code is +44. From outside the country, dial the number in its international format, like +44 7400 123456.
How many digits does a phone number in United Kingdom have?
National number length in United Kingdom: 7–10 digits — after the domestic trunk prefix, if any.