Downham Market phone numbers start 01366
Downham Market is in King's Lynn and West Norfolk, and its landline numbers begin 01366.
An 01366 number does not prove the caller is in Downham Market
88 phone companies hold 01366 ranges, a number keeps its code when it moves provider, and caller ID can be faked outright. The code tells you which exchange the range was allocated to - nothing about who dialled.
- Area code
- 01366
- Administrative area
- King's Lynn and West Norfolk
- County
- Norfolk
- Nation
- England
- Population
- 11,349
- This town
- The place 01366 is named after
- Phone companies holding ranges
- 88
Numbers reported on 01366
Nobody has reported an 01366 number to this site yet. That does not mean an 01366 number is safe - it means no one has told us about one.
Other places on 01366
01366 covers more than Downham Market. A call showing this code could have been allocated to a range at any of these exchanges.
Codes near Downham Market
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Buy us a coffeeArea code and range data from Ofcom's published allocations, downloaded 1 October 2026. Town locations, populations and administrative areas from Wikidata (CC0), joined 1 October 2026 - towns within 40 km of the exchange. Reports are from visitors to this site and are unchecked. Browse every town A-Z.