01923 at a glance
- Type
- Geographic (landline area code)
- Region
- Hertfordshire
- Country
- United Kingdom (+44)
- Number format
- 01923 XXXXXX (area code + 6-digit local number)
- From abroad
- +44 1923
- Cost to call
- Charged as a standard UK landline call; usually included in landline and mobile call bundles.
01923 is the area code for Watford and surrounding parts of south-west Hertfordshire, including Rickmansworth, Abbots Langley and Kings Langley, together with parts of north-west London. Watford has many corporate offices and the large Watford General Hospital. Calls from 01923 numbers may come from Watford Borough Council, Three Rivers District Council, NHS services, GP surgeries, company offices or local businesses. Geographic numbers are portable and can be used through VoIP services anywhere, and caller ID can be faked, so an 01923 number on screen does not confirm who is calling.
Who called me from 01923?
The prefix tells you where the line was originally registered (Watford), but not who is behind it. Numbers can be ported between networks and caller ID can be spoofed, so a familiar code is no guarantee. Search the full number to see its current carrier, line type and whether other people have reported it. Read our UK phone number guide for mobile prefixes, networks and the scams currently doing the rounds.