Sonoma County, located in the state of California, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to Sonoma County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
95448
94574
95452
95416
94953
95425
94515
95405
95441
95419
94975
95430
95421
94558
94931
95412
94955
95444
95487
95486
94928
95404
95402
95465
95497
95476
95442
95436
95461
94952
95403
94954
95433
94923
95450
95471
95473
94972
95407
94945
95462
94922
95431
95472
95445
95401
94951
95406
94927
95480
94999
95409
95492
95446
95439

To know more about Sonoma County, click the button below:

Sonoma County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in Sonoma County County?

There are approximately 55 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Sonoma County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.