Area codes 506 and 428
Telephone area code for New Brunswick, Canada / From Wikipedia, the free encyclopedia
This article is about the Canadian area code. For the country code, see Telephone numbers in Costa Rica.
Area codes 506 and 428 are the telephone area codes in the North American Numbering Plan (NANP) for the Canadian province of New Brunswick. Area code 506 was created in 1955 in a split of numbering plan area (NPA) 902. Area code 428 was added to the same numbering plan area in 2023 to form an overlay plan of the area.