Clacton-on-Sea phone numbers start 01255
Clacton-on-Sea is in Tendring, and its landline numbers begin 01255.
An 01255 number does not prove the caller is in Clacton-on-Sea
100 phone companies hold 01255 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
- 01255
- Administrative area
- Tendring
- County
- Essex
- Nation
- England
- Population
- 50,548
- This town
- The place 01255 is named after
- Phone companies holding ranges
- 100
Numbers reported on 01255
Nobody has reported an 01255 number to this site yet. That does not mean an 01255 number is safe - it means no one has told us about one.
Other places on 01255
01255 covers more than Clacton-on-Sea. A call showing this code could have been allocated to a range at any of these exchanges.
Codes near Clacton-on-Sea
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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.