01604 at a glance
- Type
- Geographic (landline area code)
- Region
- Northamptonshire
- Country
- United Kingdom (+44)
- Number format
- 01604 XXXXXX (area code + 6-digit local number)
- From abroad
- +44 1604
- Cost to call
- Charged as a standard UK landline call; usually included in landline and mobile call bundles.
01604 is the area code for Northampton and surrounding villages in Northamptonshire. Northampton is a large town with a history of shoemaking and today has many logistics, financial services and retail operations, plus Northampton General Hospital and the University of Northampton. Calls from 01604 numbers often come from West Northamptonshire Council, NHS services, GP surgeries, schools, distribution firms and local businesses. An 01604 number may have been ported or attached to a VoIP service elsewhere, and scammers can spoof caller ID, so verify an unexpected caller before sharing personal or financial details.
Who called me from 01604?
The prefix tells you where the line was originally registered (Northampton), 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.