Use the full area code before the local subscriber number.
UK geographic telephone code
01606 area code: Northwich
The 01606 dialling code is associated with Northwich.
How to dial Northwich
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 01606 numbers
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Keeps calling, now blocked, won't take no fir an answer and gets very annoyed and aggressive when you say 'nobody by that name lives here'
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Calls and asks for a random name, when you say there's no one here by that name he becomes aggressive. Rang me and asked to speak to John, nobody here called John, nuisance cold callers
Source and review
This page uses Ofcom telephone area codes area-code information retrieved on 3 September 2026.