The Dumbarton 01389 Area Code (Dumbarton Dialling Code)
The 01389 area code is a 4 digit geographical dialling code (excluding the zero) used in telecommunications for the Dumbarton area.
The local telephone numbers within the 01389 are 6 digits long.
The correct format in which to write a telephone number from the Dumbarton area code is (01389) [x][x][x][x][x][x].
Where is the 01389 Area Code?
The Dumbarton 01389 dialling code is situated in the county of Dunbartonshire in the Scotland Region of the UK.
When do I need to use the 01389 Dumbarton dialling code?
You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 01389 Dumbarton dialling code area. If you are calling a local number within the same area code with a landline telephone you do not need to use the 01389 dialling code.
Phoning the 01389 Dialling Code from Outside of the UK
If you are calling from outside of the UK. You will need to add the code for dialling internationally. This varies country to country, followed by the UK country code (44) followed by the area code without the initial zero (1389).
| Region | International Prefix | Country Code | Area Code |
|---|---|---|---|
| United States and Canada | 011 | 44 | 1389 |
| Europe | 00 | 44 | 1389 |
| Australia | 0011 | 44 | 1389 |
Map showing the location of the 01389 Dumbarton Area Code
Origins of the 01389 Dumbarton Area Code
Before the 16th April 1995 known as PhONEday which changed telephone area codes by inserting a 1 at the beginning. The area code was .
the historic mnemonic code for the 01389 area was DU9. The first two characters are taken from the letters D and U in DUmbarton. On an old rotary dial telephone this was entered by dialling the numbers 3, 8 and 9.
Map of the 01389 Dumbarton dialling Code Area
The shaded area on the map represent the estimated extent of the 01389 Dumbarton phone area code.
The blue icons on the map represent the locations of telephone exchanges serving the 01389 area. Click on an icon for more details
Towns and Villages within the Dumbarton 01389 dialling Code
Known Telephone Exchanges within the Dumbarton 01389 dialling Code
| ARDEN UAX (WSARN) |
| CARDROSS TE (WSCSS) |