01933 area code: Wellingborough
01933 is the UK dialling code for Wellingborough, in North Northamptonshire, England. Numbers are 01933 followed by 6 digits.
- Area
- Wellingborough
- Where
- North Northamptonshire, England
- Written as
- 01933 xxxxxx
- Digits in a full number
- 11, including the 0
- Calling from abroad
- +44 1933 xxxxxx
- Phone companies holding ranges
- 99 (Ofcom allocation data). This doesn’t show which company a particular number is with, or who uses it.
Where 01933 is
Wellingborough is a town in North Northamptonshire, England.
Could it be someone you know?
A number showing 01933 might look familiar. Check the full number before trusting the caller. It can help to think whether you know someone in or around Wellingborough, Kettering or Northampton, have used a business there, booked or applied for something nearby, or are expecting a callback.
Codes near Wellingborough
Straight-line distance from Wellingborough.
Does 01933 tell me who called?
No. 01933 is assigned to Wellingborough, 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 99 phone companies hold ranges of 01933 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 01933 numbers
Nobody has reported an 01933 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