Some California area codes will require 10-digit dialing starting Sunday
Residents in nine California area codes will have to use 10- digit dialing starting Sunday. - Handout/TNS/TNS

SACRAMENTO, Calif. — Beginning Sunday, residents who use nine California area codes — including the 530 area code with numbers originating from Davis, South Lake Tahoe, Placerville, Auburn, Grass Valley, Woodland, Marysville and Yuba City, and most of the Sacramento Valley north of the capital — will be required to dial using 10 digits to make phone calls due to a change in federal rules aimed at providing easier access to crisis resources nationwide. The change will affect eight more California area codes elsewhere, including the 209 area code in Stockton and Modesto. With the weekend change,...