Area codes 916 and 279

Area codes 916 and 279 are telephone area codes in the North American Numbering Plan for Sacramento, the state capital, and most of its suburbs.

Area code 916 was one of the first three original area codes established in California in October 1947, originally assigned to the most northern part, but remapped in 1950 to the northeast. Area code splits have reduced the numbering plan area to the greater Sacramento area. Area code 279 began service in an overlay in March 2018 to relieve an exhausted supply of central office codes in 916.