01206 area code: Colchester
01206 is the UK dialling code for Colchester, in England. Numbers are 01206 followed by 6 digits.
- Area
- Colchester
- Where
- England
- Written as
- 01206 xxxxxx
- Digits in a full number
- 11, including the 0
- Calling from abroad
- +44 1206 xxxxxx
- Phone companies holding ranges
- 84 (Ofcom allocation data). This doesn’t show which company a particular number is with, or who uses it.
Where 01206 is
Colchester is a city in England.
Could it be someone you know?
A number showing 01206 might look familiar. Check the full number before trusting the caller. It can help to think whether you know someone in or around Colchester, Clacton-on-Sea or Sudbury, have used a business there, booked or applied for something nearby, or are expecting a callback.
Codes near Colchester
Straight-line distance from Colchester.
Does 01206 tell me who called?
No. 01206 is assigned to Colchester, 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 84 phone companies hold ranges of 01206 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 01206 numbers
Nobody has reported an 01206 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