01777 area code: Retford
01777 is the UK dialling code for Retford, in Bassetlaw, England. Numbers are 01777 followed by 6 digits.
- Area
- Retford
- Where
- Bassetlaw, England
- Written as
- 01777 xxxxxx
- Digits in a full number
- 11, including the 0
- Calling from abroad
- +44 1777 xxxxxx
- Phone companies holding ranges
- 96 (Ofcom allocation data). This doesn’t show which company a particular number is with, or who uses it.
Where 01777 is
Retford is a town in Bassetlaw, England.
Could it be someone you know?
A number showing 01777 might look familiar. Check the full number before trusting the caller. It can help to think whether you know someone in or around Retford, Worksop or Gainsborough, have used a business there, booked or applied for something nearby, or are expecting a callback.
Codes near Retford
Straight-line distance from Retford.
Does 01777 tell me who called?
No. 01777 is assigned to Retford, but that doesn’t prove who is calling or where they are. Caller ID can be faked, a number keeps its code when it moves provider, and 96 phone companies hold ranges of 01777 numbers. Search the full number to see what people have reported about it and which phone company its range was given to.
Caller says they’re your bank, HMRC, the police or a courier? Hang up and call a number you trust, from your card, a letter or their website, or dial 159 for most UK banks.
Reported 01777 numbers
Nobody has reported an 01777 number to us yet. If one has been calling you, report it so the next person sees it.
Codes, code lengths and provider counts from Ofcom’s numbering data, downloaded 23 September 2026. Places from Wikidata. All UK area codes · Who called me? · Stop spam calls