02843 is the area code for the Newcastle (Co. Down) area in the Newry Mourne and Down region. The 02843 area includes places like Dundrum, Castlewellan and Annalong, among others.
The majority of numbers utilizing the 02843 area code are regular Newcastle (Co. Down) 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 02843 telephone numbers:
| Region | Newry Mourne and Down (Northern Ireland) | |
| Number format | 02843 XXXXXX | |
| Local number digits | 6 |
| Location | Newcastle (Co. Down) | |
| International number format | +44 2843 XXXXXX | |
| Geo | 54.21804 , -5.88979 |
Call cost: landline connection fee depends on your service provider.
02843 is the telephone area code for Newcastle (Co. Down), Newry Mourne and Down (Northern Ireland). Landline numbers in this area start with 02843.
Dial +44 (the UK country code), then 2843 without the leading 0, then the 6-digit local number: +44 2843 XXXXXX.
Within the 02843 area you can usually dial just the 6-digit local number. From a mobile phone or from another area, dial the full number: 02843 XXXXXX.