Chesterfield phone numbers start 01246
Chesterfield is in Derbyshire, and its landline numbers begin 01246.
An 01246 number does not prove the caller is in Chesterfield
110 phone companies hold 01246 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
- 01246
- Administrative area
- Derbyshire
- Nation
- England
- Population
- 76,402
- This town
- The place 01246 is named after
- Phone companies holding ranges
- 110
Numbers reported on 01246
Nobody has reported an 01246 number to this site yet. That does not mean an 01246 number is safe - it means no one has told us about one.
Other places on 01246
01246 covers more than Chesterfield. A call showing this code could have been allocated to a range at any of these exchanges.
Codes near Chesterfield
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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.