Use the full area code before the local subscriber number.
UK geographic telephone code
01842 area code: Thetford
The 01842 dialling code is associated with Thetford.
How to dial Thetford
Use +44 and remove the leading zero from the area code.
An area-code match describes the number range, not the caller's identity or current physical location. Caller ID can also be spoofed.
Recent reports for 01842 numbers
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Caller knew my name and claimed to be Shirley from Allied Irish Bank, where I am a customer. She said she was calling to conduct a survey. I hung up as I did not trust the call and believe it may have been a scam.
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A foreign voice, bad English, either asked to talk to an officer or said they were an officer, then the line went quiet for about 30 seconds and then switched off.
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No message as usual!!
Source and review
This page uses Ofcom telephone area codes area-code information retrieved on 3 September 2026.