San Joaquin 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 San Joaquin County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
95202
95237
95690
95213
95208
95253
95211
95227
95204
95205
95336
95366
95320
95385
95686
95240
95215
95210
95220
95231
95209
95258
95203
95206
95377
95269
95267
95207
95219
95632
95337
95330
95241
95378
95236
95391
95304
95367
95376
95201
95234
95212
95242
95361
95230

To know more about San Joaquin County, click the button below:

San Joaquin 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 San Joaquin County County?

There are approximately 45 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in San Joaquin 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.