01389 490 Dialing Code
Dumbarton
Dialing Code 01389 490 is part of Area Code 01389, which covers Dumbarton and the surrounding area.
The majority of numbers in the 01389 Area Code belong to normal landlines in Dumbarton, but it is possible that these numbers are being used elsewhere as virtual numbers.
There are multiple telephone companies operating in the 01389 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 490 after the area code indicate that the range of numbers was originally allocated to Phone Co-Op Numbering Limited on 22 December 2010, although due to number portability, individual numbers within this range may now be allocated to other operators.
01389 area code information
| Area Code: | 01389 |
|---|---|
| Location: | Dumbarton |
| Dialing Code: | 01389 490 |
| Provider: | Phone Co-Op Numbering Limited |
| Date range allocated: | 22 December 2010 |
| Call Costs: | Normal landline rate |
| Area code required for local calls: | No |
| Local number length: | 6 |
| Number format: | 01389 490### |
| International number format: | +44 1389 490### |
| Last code change: | April 1995 from 0389. |
This page was last updated on 9 August 2023.