Map of the 01646 Milford Haven STD dialling Area Code
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The Milford Haven 01646 Area Code (Milford Haven Dialling Code)

The 01646 area code is a 4 digit geographical dialling code (excluding the zero) used in telecommunications for the Milford Haven area.

The local telephone numbers within the 01646 are 6 digits long.

The correct format in which to write a telephone number from the Milford Haven area code is (01646) xxxxxx.

Where is the 01646 Area Code?

The Milford Haven 01646 dialling code is situated in the county of Pembrokeshire in the Wales Region of the UK.

When do I need to use the 01646 Milford Haven dialling code?

You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 01646 Milford Haven 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 01646 dialling code.

Phoning the 01646 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 (1646).

RegionInternational PrefixCountry CodeArea Code
United States and Canada011441646
Europe00441646
Australia0011441646

Origins of the 01646 Milford Haven 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 0646.

the historic mnemonic code for the 01646 area was MI6. The first two characters are taken from the letters M and I in MIlford haven. On an old rotary dial telephone this was entered by dialling the numbers 6, 4 and 6.

picture showing an old rotary dial for the 01646 Milford Haven area code
An old rotary dial for the 01646 Milford Haven area code.

Map of the 01646 Milford Haven dialling Code Area

The shaded area on the map represent the estimated extent of the 01646 Milford Haven phone area code.

The blue icons on the map represent the locations of telephone exchanges serving the 01646 area. Click on an icon for more details

Map of the 01646 Milford Haven area code
Map of the 01646 Milford Haven area code and surrounding areas

Towns and Villages within the Milford Haven 01646-Milford Haven dialling Code

Milford Haven
Neyland
Pembroke
Pembroke Dock

Known Telephone Exchanges within the Milford Haven 01646-Milford Haven dialling Code

Johnston (SWJOH) Pembrokeshire
Pembroke (SWPM) Pembrokeshire
Neyland (SWNES) Pembrokeshire
Milford Haven (SWMF) Pembrokeshire