Area Code 916 History - California

Significant events for area code 916

1947 One of three original area codes for California. 213 covered the southern area of the state, Central California was covered by 415 and northern California was covered by 916.
1950 The boundaries for California area codes were moved. 415 was extended northward to the Oregon border and 916 was moved to the northeastern area of the state. Bakersfield was moved to 213 and Sacramento was moved to 916.
1957 Area code 916 was split, with 209 covering the southern area, south to the border of 213 .
2018 Area code 279 is planned to be overlaid on 916 in March.