Map of the 01923 Watford STD dialling Area Code
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The Watford 01923 Area Code (Watford Dialling Code)

The 01923 area code is a 4 digit geographical dialling code (excluding the zero) used in telecommunications for the Watford area.

The local telephone numbers within the 01923 are 6 digits long.

The correct format in which to write a telephone number from the Watford area code is (01923) xxxxxx.

Where is the 01923 Area Code?

The Watford 01923 dialling code intersects the counties of Buckinghamshire, Hertfordshire and Hillingdon in the East of England and London and South East Regions of the UK.

When do I need to use the 01923 Watford dialling code?

You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 01923 Watford 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 01923 dialling code.

Phoning the 01923 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 (1923).

RegionInternational PrefixCountry CodeArea Code
United States and Canada011441923
Europe00441923
Australia0011441923

Origins of the 01923 Watford 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 0923.

the historic mnemonic code for the 01923 area was WA3. The first two characters are taken from the letters W and A in WAtford . On an old rotary dial telephone this was entered by dialling the numbers 9, 2 and 3.

picture showing an old rotary dial for the 01923 Watford area code
An old rotary dial for the 01923 Watford area code.

Map of the 01923 Watford dialling Code Area

The shaded area on the map represent the estimated extent of the 01923 Watford phone area code.

The blue icons on the map represent the locations of telephone exchanges serving the 01923 area. Click on an icon for more details

Map of the 01923 Watford area code
Map of the 01923 Watford area code and surrounding areas

Towns and Villages within the Watford 01923-Watford dialling Code

Bedmond
Bushey
Chipperfield (Dacorum)
Chorleywood
Hemel Hempstead
Hillingdon
Maple Cross
Northwood
Radlett
Rickmansworth
Sarratt
Shenley
Watford

Known Telephone Exchanges within the Watford 01923-Watford dialling Code

Northwood (LWNWOO) London
Watford (LWWAT) Hertfordshire
Garston (LWGAR) Hertfordshire
Rickmansworth (LWRIC) Hertfordshire
Chorleywood (LWCHO) Hertfordshire
Kings Langley (LWKLAN) Hertfordshire
Radlett (LWRAD) Hertfordshire