01604 Area Code — Northampton, UK

01604 is the UK dialling code for Northampton, allocated by Ofcom under the National Telephone Numbering Plan. Our database has tracked 45 distinct 01604 numbers across 67 public lookups.

Quick facts

Top searched 01604 numbers

These are the 01604 numbers most-looked-up by visitors to our number checker. Click any number to see its full lookup page with risk-level, range holder, and community reports.

Operators serving Northampton

These UK communications providers have been allocated 01604 number blocks by Ofcom. The number of blocks per operator gives a rough sense of how widely each provider serves this area.

Looking up a specific 01604 number?

If you have the full 10- or 11-digit number, use our free UK Phone Number Checker to see the Ofcom range holder, risk level, and any community reports for that specific number.