01609 635 Dialing Code
Northallerton
Dialing Code 01609 635 is part of Area Code 01609, which covers Northallerton and the surrounding area.
The majority of numbers in the 01609 Area Code belong to normal landlines in Northallerton, but it is possible that these numbers are being used elsewhere as virtual numbers.
There are multiple telephone companies operating in the 01609 Area Code and they are allocated blocks of numbers, which can be identified by the digits following the Area Code. In this case, the digits 635 after the area code indicate that the range of numbers was originally allocated to Colt Technology Services on 20 June 2016, although due to number portability, individual numbers within this range may now be allocated to other operators.
01609 area code information
| Area Code: | 01609 |
|---|---|
| Location: | Northallerton |
| Dialing Code: | 01609 635 |
| Provider: | Colt Technology Services |
| Date range allocated: | 20 June 2016 |
| Call Costs: | Normal landline rate |
| Area code required for local calls: | No |
| Local number length: | 6 |
| Number format: | 01609 635### |
| International number format: | +44 1609 635### |
| Last code change: | April 1995 from 0609. |
This page was last updated on 9 August 2023.