UK Area Code Finder
Quick and easy telephone dialling code information
028 is the telephone area code for all of Northern Ireland
All landline phone numbers beginning with the 028 area code are for Northern Ireland. Those starting with 028 90 and 028 95 are specifically for Belfast.
The 028 area code at the beginning is optional; if you're dialling from one Northern Ireland landline phone to another you can dial just the eight-digit local phone number.
Northern Ireland has had the three-digit area code 028 since the year 2000. This is always followed by an eight-digit local number.
The correct way to write a Northern Irish phone number is
During the year 2000, all of Northern Ireland's phone numbers were moved into a single 028 area code, with the mixture of old five- and six-digit local numbers standardised at eight digits long.
The new system gives Northern Ireland nearly 80 million numbers: