UK Area Code Finder
Quick and easy telephone dialling code information
01923 area code
Watford numbers
UK area code 01923 covers Watford in the county of Hertfordshire.
Other areas using 01923 numbers include Chorleywood, Garston, Kings Langley, Northwood, Radlett and Rickmansworth.
Number Format
Local telephone numbers are six digits long. An 01923 number should be displayed in the format:
(01923) xxxxxx.