Sonoma County ZIP Codes (94922 – 95497) – California

by

Sonoma County is located in the northern part of California, United States, encompassing coastal regions, valley vineyards, wine country, and urban centers. ZIP codes in Sonoma County range from 94922 to 95497 and are administered by the United States Postal Service (USPS) to ensure accurate mail delivery, logistics, and local administration.

Key Information About Sonoma County ZIP Codes

ItemDetails
CountySonoma County
StateCalifornia
ZIP Code Range94922 – 95497
County SeatSanta Rosa
Largest CitySanta Rosa
CountryUnited States
ContinentNorth America
Postal AuthorityUnited States Postal Service (USPS)

ZIP Codes of Sonoma County by City & Community

For more details on ZIP codes in Sonoma County, see the tables of cities, towns, communities, rural areas, and notable places below.

Santa Rosa & Adjacent Areas (95401 – 95409, 95416, 95476)

Place / LocationZIP CodeState
Santa Rosa Central95401California
Santa Rosa North95402California
Santa Rosa East95404California
Santa Rosa South95405California
Santa Rosa Downtown95403California
Santa Rosa West95407California
Larkfield-Wikiup95403California
Kenwood (Sonoma Valley edge)95409California
Boyes Hot Springs95416California
El Verano95476California
Glen Ellen95442California

(Santa Rosa is the county seat and largest city, with multiple neighborhoods and nearby Sonoma Valley communities are included into this table.)

Petaluma & Penngrove Area (94951 – 94955, 94999)

Place / LocationZIP CodeState
Petaluma Central94952California
Petaluma PO Boxes94953California
Petaluma East94954California
Petaluma South94955California
Petaluma South Central94975California
Penngrove94951California
Bloomfield94952California

Rohnert Park & Cotati Area (94926 – 94931, 94928)

Place / LocationZIP CodeState
Rohnert Park Central94928California
Rohnert Park PO Boxes94927California
Rohnert Park East94926California
Cotati94931California

Sebastopol, Graton & Occidental Area (95472 – 95444, 95465, 95419)

Place / LocationZIP CodeState
Sebastopol North95472California
Sebastopol South95473California
Graton95444California
Occidental95465California
Camp Meeker95419California
Freestone95472California

Windsor, Healdsburg & Alexander Valley (95492, 95448 – 95441, 95425)

Place / LocationZIP CodeState
Windsor95492California
Healdsburg Central95448California
Healdsburg North95448California
Geyserville95441California
Alexander Valley region95441California
Cloverdale95425California

Forestville, Guerneville & Russian River (95436 – 95487)

Place / LocationZIP CodeState
Forestville95436California
Fulton95439California
Guerneville95446California
Monte Rio95462California
Rio Nido95471California
Villa Grande95486California
Vineburg95487California
Forestville West95436California

Sonoma Valley & Surrounding Areas (95476, 95452, 95431, 95421)

Place / LocationZIP CodeState
Sonoma Downtown95476California
Sonoma Valley region95476California
Kenwood (Sonoma area)95452California
El Verano95476California
Eldridge95431California
Cazadero95421California
Annapolis95412California
Bodega94922California
Bodega Bay94923California
Valley Ford94972California
Jenner95450California
The Sea Ranch95497California

About Sonoma County ZIP Codes

Sonoma County’s ZIP codes cover an array of urban cities, suburban places, wine regions, coastal towns, and rural communities. From the county seat and largest city of Santa Rosa through key cities like Petaluma, Rohnert Park, Cotati, Healdsburg, Windsor, and Sebastopol to scenic coastal areas such as Bodega Bay and The Sea Ranch, each ZIP code supports accurate mail delivery, emergency services, business logistics, and precise location identification across the county.