The considerably much less populated Northwestern portion of California, to the north of San Francisco, presently utilizing space code 707 will quickly get a model new Numbering Plan Space Code. The brand new 369 NPA along with current 707 NPA will type an overlay advanced starting February 1, 2023, each space codes overlaying the identical geographic space.
A number of the cities and cities presently utilizing space code 707: Fairfield, Mendocino, Napa, Petaluma, Santa Rosa, Sonoma, Vacaville, Vallejo.
The brand new 369 space code’s activation date is February 1, 2023. Presently, the dialing plan inside NPA 707 is: 1+10 digits for each native and toll calls. The identical dialing plan can be used with the brand new NPA’s implementation.
See official NANPA announcement and rate center map of the future overlay complex 707/369 (PDF doc).
Go to area code 369 web page for an inventory of cities served, map and different data.