01923 area code: Watford

The 01923 area code covers Watford and its surrounding regions.

Locations using the 01923 area code

  • Chorleywood
  • Garston
  • Kings Langley
  • Northwood
  • Radlett
  • Rickmansworth
  • Watford

When is it necessary to use the 01923 Watford dialling code?

If you are calling from a mobile phone or landline outside of the 01923 Watford area code, you will need to use the dialling code. However, 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.

If you are calling from outside of the UK, you will need to add the international dialling code for your country, followed by the UK country code (44) and the area code without the initial zero (01923).

RegionInternational PrefixPhone NumberPhone Number to Dial
United States and Canada01101923 751342011 44 1923 751342
Europe0001923 75132400 44 1923 751324
Australia001101923 8834370011 44 1923 883437

Locations (codes) near the 01923 code

The Beginning of the 01923 Area Code

Prior to the PhONEday event in April 1995, the area code was 0923 and the historic mnemonic code was WA3, with the first two characters taken from the letters W and A in WAtford. On an old rotary dial telephone, this code would have been entered by dialling the numbers 9, 2, and 3.

Most Recent Phones for 01923 Code


UK Area Codes | Contact Us | Privacy Policy | Terms of Service