01689 is the area code for the Orpington area in the Greater London region. The 01689 area includes places like Farnborough, Sidcup, Chislehurst and Knockholt, among others.
The majority of numbers utilizing the 01689 area code are regular Orpington 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 01689 telephone numbers:
| Region | Greater London (England) | |
| Number format | 01689 XXXXXX | |
| Local number digits | 6 |
| Location | Orpington | |
| International number format | +44 1689 XXXXXX | |
| Geo | 51.37457 , 0.09785 |
Call cost: landline connection fee depends on your service provider.
01689 is the telephone area code for Orpington, Greater London (England). Landline numbers in this area start with 01689.
Dial +44 (the UK country code), then 1689 without the leading 0, then the 6-digit local number: +44 1689 XXXXXX.
Within the 01689 area you can usually dial just the 6-digit local number. From a mobile phone or from another area, dial the full number: 01689 XXXXXX.