01603 is the area code for the Norwich area in the Norfolk region. The 01603 area includes places like Thorpe Hamlet, Stoke Holy Cross, Cringleford and Bowthorpe, among others.
The majority of numbers utilizing the 01603 area code are regular Norwich 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 01603 telephone numbers:
| Region | Norfolk (England) | |
| Number format | 01603 XXXXXX | |
| Local number digits | 6 |
| Location | Norwich | |
| International number format | +44 1603 XXXXXX | |
| Geo | 52.62783 , 1.29834 |
Call cost: landline connection fee depends on your service provider.
01603 is the telephone area code for Norwich, Norfolk (England). Landline numbers in this area start with 01603.
Dial +44 (the UK country code), then 1603 without the leading 0, then the 6-digit local number: +44 1603 XXXXXX.
Within the 01603 area you can usually dial just the 6-digit local number. From a mobile phone or from another area, dial the full number: 01603 XXXXXX.