01842 area code: Thetford
01842 is the UK dialling code for Thetford, in Breckland, England. Numbers are 01842 followed by 6 digits.
- Area
- Thetford
- Where
- Breckland, England
- Written as
- 01842 xxxxxx
- Digits in a full number
- 11, including the 0
- Calling from abroad
- +44 1842 xxxxxx
- Phone companies holding ranges
- 91 (Ofcom allocation data). This doesn’t show which company a particular number is with, or who uses it.
Where 01842 is
Thetford is a town in Breckland, England.
Could it be someone you know?
A number showing 01842 might look familiar. Check the full number before trusting the caller. It can help to think whether you know someone in or around Thetford, Pakenham or Bury St Edmunds, have used a business there, booked or applied for something nearby, or are expecting a callback.
Codes near Thetford
Straight-line distance from Thetford.
Does 01842 tell me who called?
No. 01842 is assigned to Thetford, 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 91 phone companies hold ranges of 01842 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 01842 numbers
Nobody has reported an 01842 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