Farmington, AR is currently using one area code which is area code 479. Area code 479 was created from a split of area code 501 in 2002.
In addition to Farmington, AR area code 479 serves most of northwestern Arkansas including the larger cities of Fayetteville, Fort Smith, Rogers, Russellville, and Springdale in addition to many smaller communities.
Farmington, AR is located in Washington County and observes the Central Time Zone.
View our Times by Area Code tool.