Area codes starting 0173
Ofcom’s numbering data lists 2,539 number ranges starting 0173, allocated to 130 providers. The largest holder is BT, with 6% of them.
Who were 0173 ranges given to?
Providers Ofcom allocated these number ranges to.
- Not allocated to a provider1,421 ranges
- BT159 ranges
- Vodafone Ltd (C&W)58 ranges
- Gamma Telecom Holdings Limited58 ranges
- Sky UK Limited52 ranges
- Virgin Media Limited49 ranges
- TalkTalk Communications Limited37 ranges
- GCI Network Solutions Limited34 ranges
- Colt Technology Services23 ranges
- Magrathea Telecommunications Limited17 ranges
- Digital Space Group Limited16 ranges
- Resilient Limited14 ranges
+ 119 more
Range status
How Ofcom lists the ranges starting 0173.
Allocations by year
Explore by the next digit
Each block below starts 0173. Pick one to narrow it down.
Area codes starting 0173
What a 0173 number tells you
What it is
Ordinary landline numbers tied to a place. The area code tells you which dialling area the number was issued for – 0161 is Manchester, 020 is London, 01388 is Bishop Auckland.
What it costs
Charged as a normal UK call and usually included in landline and mobile allowances.
Watch out for
A local-looking number feels familiar, which is exactly why scammers spoof them. A local area code is not proof the caller is local.
0173 numbers: common questions
Who owns 0173 numbers?
Ofcom allocated the ranges starting 0173 to BT, Vodafone Ltd (C&W), Gamma Telecom Holdings Limited 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 0173 number from abroad?
Replace the leading 0 with +44. For example, a number starting 0173 becomes +44 173 followed by the rest of the number.
How much does it cost to call a 0173 number?
Charged as a normal UK call and usually included in landline and mobile allowances.
Is a call from a 0173 number a scam?
A local-looking number feels familiar, which is exactly why scammers spoof them. A local area code is not proof the caller is local. 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 0173 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 →