01865 is the area code for the Oxford area in the Oxfordshire region.
The majority of numbers utilizing the 01865 area code are regular Oxford 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 01865 telephone numbers:
| Region | Oxfordshire (England) | |
| Number format | 01865 XXXXXX | |
| Local number digits | 6 |
| Location | Oxford | |
| International number format | +44 1865 XXXXXX | |
| Geo | 51.75222 , -1.25596 |
Call cost: landline connection fee depends on your service provider.
01865 is the telephone area code for Oxford, Oxfordshire (England). Landline numbers in this area start with 01865.
Dial +44 (the UK country code), then 1865 without the leading 0, then the 6-digit local number: +44 1865 XXXXXX.
Within the 01865 area you can usually dial just the 6-digit local number. From a mobile phone or from another area, dial the full number: 01865 XXXXXX.