The 02821 area code is used for Martinstown (County of Antrim) and the areas directly surrounding Martinstown, which includes 2 distinct locations. Most 02821 numbers are used for landlines. However, they can also be purchased by companies or organizations to be used for services that don’t have any connection to the Martinstown area.
Previously, the area used 012657 as their area code. This changed in April 2000 during The Big Number Change, where it was changed to the 02821 area code to accommodate the growing population and supplement the shrinking supply of phone numbers in Antrim.
Cost of calling 02821 numbers
Typically, calls to the 02821 area code are very affordable and are some of the cheapest apart from freephone numbers. During peak times when calling from a landing, expect to pay between 10p to 12p per minute. In the evening or on the weekend, it will cost you between 5p and 10p per minute. If you are calling from a mobile phone, these costs increase to 30p to 50p per minute.