Alnwick phone numbers start 01665
Alnwick is in Northumberland, and its landline numbers begin 01665.
An 01665 number does not prove the caller is in Alnwick
89 phone companies hold 01665 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
- 01665
- Administrative area
- Northumberland
- Nation
- England
- Population
- 8,583
- This town
- The place 01665 is named after
- Phone companies holding ranges
- 89
Numbers reported on 01665
Nobody has reported an 01665 number to this site yet. That does not mean an 01665 number is safe - it means no one has told us about one.
Other places on 01665
01665 covers more than Alnwick. A call showing this code could have been allocated to a range at any of these exchanges.
Codes near Alnwick
Had a call from an 01665 number?
Type it in and we will tell you what we know.
Try:
Keep it free
Free, because people chip in.
No pop-ups, no interruptions, no spammy ads or fake sites — and nobody pays to be listed. A quid, three, or a fiver if you are feeling flush; it all goes on the late nights making this better.
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.