San Joaquin County ZIP Codes

San Joaquin County is a county of California.

ZIP codes
44
Cities & towns
18
Area codes
2
Land area
1,392 sq mi

Every ZIP code in San Joaquin County

952xx–956xx
The complete list of San Joaquin County, CA ZIP codes with the city each one delivers to.
ZIP codeCity
95201Stockton
95202Stockton
95203Stockton
95204Stockton
95205Stockton
95206Stockton
95207Stockton
95208Stockton
95209Stockton
95210Stockton
95211Stockton
95212Stockton
95213Stockton
95214Stockton
95215Stockton
95219Stockton
95220Acampo
95227Clements
95230Farmington
95231French Camp
95234Holt
95236Linden
95237Lockeford
95240Lodi
95241Lodi
95242Lodi
95253Victor
95258Woodbridge
95267Stockton
95269Stockton
95296Stockton
95297Stockton
95304Tracy
95320Escalon
95330Lathrop
95336Manteca
95337Manteca
95366Ripon
95376Tracy
95377Tracy
95378Tracy
95385Vernalis
95391Tracy
95686Thornton

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the San Joaquin County codes above are listed without a column we would have to invent.

Cities and towns in San Joaquin County

A further 11 places in San Joaquin County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering San Joaquin County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where San Joaquin County's ZIP codes sit

Each point is the reference point of one San Joaquin County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Scope every ZIP code recorded in San Joaquin County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.