ZIP Code 95378

95378 is one of California's ZIP codes, delivering to addresses in Tracy, San Joaquin County.

City: Tracy
County: San Joaquin County
State: California
Prefix: 953xx

Where this code sits

95378 is part of the 953xx range, the group of codes handled by one mail processing centre. Tracy is served by 5 ZIP codes in total; the full list, with the county each falls in, is on the Tracy page.

Tracy California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 95378 delivers to without sharing its boundary.

ZIP codes nearest 95378

The ZIP codes whose reference points sit closest to 95378.
ZIP code	Distance	Delivers to
ZIP code 95377	3.7 mi	Tracy, CA
ZIP code 95304	4.1 mi	Tracy, CA
ZIP code 95376	4.3 mi	Tracy, CA
ZIP code 95391	8.7 mi	Tracy, CA
ZIP code 95385	10 mi	Vernalis, CA
ZIP code 95330	13 mi	Lathrop, CA
ZIP code 95337	13 mi	Manteca, CA
ZIP code 95387	15 mi	Westley, CA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 95378, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 95378. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.