UK Area Code Finder
Quick and easy telephone dialling code information
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.
01923 numbers are normal, landline numbers charged at standard rates.
Local telephone numbers in Watford are six digits long. An 01923 number should be displayed in the format:
01923 xxxxxx or (01923) xxxxxx
For international callers, use: +44 1923 xxxxxx