Bismarck Area Codes

501 Area Code

Area code 501 is one of the original 86 area codes created by AT&T and the Bell System in 1947. It originally served the entire state of Arkansas. In 1997, area code 870 was created as an overlay to area code 501. In 2002, area code 501 was split, and some of the phone numbers had to be updated to area code 479 on that date. Currently, the largest city it serves is Little Rock, AR, and it overlaps coverage areas with area code .

Bismarck Active Phone Number Prefixes

Prefix Primary City Directory
(501) 865-#### Bismarck View