Hartley phone numbers start 01670
Hartley is in Northumberland, and its landline numbers begin 01670 - the code named after Morpeth, about 11 miles away.
There is also a smaller place called Hartley: Hartley, Sevenoaks (01474).
An 01670 number does not prove the caller is in Hartley
93 phone companies hold 01670 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
- 01670
- Administrative area
- Northumberland
- Nation
- England
- Population
- 4,923
- The code is named after
- Morpeth
- Distance from the exchange
- about 11 miles
- Phone companies holding ranges
- 93
Numbers reported on 01670
Nobody has reported an 01670 number to this site yet. That does not mean an 01670 number is safe - it means no one has told us about one.
Other places on 01670
01670 covers more than Morpeth. A call showing this code could have been allocated to a range at any of these exchanges.
Codes near Hartley
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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.