01389 Dialling Code
01389 is a Geographic dialling code covering the Dumbarton area.
The correct way to format a number in the 01389 code is:
01389 nnnnnn (for dialling within the UK)
+44 1389 nnnnnn (for dialling from outside the UK)
Typical call costs to 01389 numbers
Calls from landlines are typically charged between 2p and 10p per minute; calls from mobiles between 10p and 40p per minute. For landlines there is normally also a call set-up fee, and call charges are dependent on the time of day. Most providers offer call packages that allow calls free of charge at certain times of the day.
Telephone exchanges within 01389
Allocated subsets of numbers in 01389
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