UK area code
01606 — Northwich
The 01606 dialling code covers Northwich in Cheshire. Below are the currently-allocated Ofcom number ranges and the Range Holders they are assigned to.
About the 01606 dialling code
01606 is the UK area code for Northwich and the surrounding Cheshire area, listed in Ofcom’s National Telephone Numbering Plan. When a UK landline calls you and the number begins +44 1606 the originating exchange is most likely physically located in or near Northwich. Numbers in this code are allocated to UK communications providers in 1,000- or 10,000-number blocks; the table below shows which Range Holder Ofcom assigned each block to.
This is the same data Ofcom publishes every Wednesday in the public UK Numbering Data feed. We re-ingest the snapshot weekly, so the allocations you see here are at most seven days old. Because UK numbers are portable, the current carrier of any specific number on 01606 can differ from the Range Holder shown — see Range Holder vs current provider for the full explanation.
To identify a specific 01606 number, paste it into the lookup form above. You will see the Range Holder, the allocation status, the area-code metadata for Northwich, and a live AI internet check summarising any public web reports about that exact number — useful when an unfamiliar 01606 caller turns out to be a legitimate local business, a national contact-centre, or a scam.
Range holders on 01606
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All allocated ranges on 01606
Showing up to 200 ranges, ordered by prefix.
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Related lookups
FAQs about 01606
What does the 01606 area code cover?
01606 is the UK dialling code for Northwich and the wider Cheshire area. When you receive a call starting with 01606 from a UK landline, the originating exchange is likely in or near Northwich.
Is a 01606 number safe?
Most calls from 01606 are legitimate landlines. Scammers can however spoof any UK area code, so a 01606 prefix alone doesn't guarantee safety. Use the lookup above to see the Range Holder, then read the AI internet check for behavioural reports.
How many providers operate 01606 number ranges?
Across the 0 ranges currently visible, 0 different Range Holders are listed. The top allocations are typically held by Openreach (BT), Virgin Media O2 and Sky.