01604 is the area code for the Northampton area in the Northamptonshire region. The 1604 region includes places like: Hardingstone, Pitsford, Church Brampton and Ecton, among others.
The majority of numbers utilizing the 01604 area code are regular Northampton landlines, however it should be noted that this might be misleading. Many businesses don’t provide a service that is connected or requires a physical address, but if they have a phone number, they have an area code.
Areas using 01604 telephone numbers:
| Region | Northamptonshire (England) | |
| Number format | 01604 XXXXXX | |
| Local number digits | 6 |
| Location | Northampton | |
| International number format | +44 1604 XXXXXX | |
| Geo | 52.25 ,-0.88333 |
Call cost: landline connection fee depends on your service provider.