Newmarket phone numbers start 01638
Newmarket is in West Suffolk, and its landline numbers begin 01638.
An 01638 number does not prove the caller is in Newmarket
92 phone companies hold 01638 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
- 01638
- Administrative area
- West Suffolk
- County
- Cambridgeshire
- Nation
- England
- Population
- 16,755
- This town
- The place 01638 is named after
- Phone companies holding ranges
- 92
Numbers reported on 01638
Nobody has reported an 01638 number to this site yet. That does not mean an 01638 number is safe - it means no one has told us about one.
Other places on 01638
01638 covers more than Newmarket. A call showing this code could have been allocated to a range at any of these exchanges.
Codes near Newmarket
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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.