ZIP Code 93257

93257 is one of California's ZIP codes, delivering to addresses in Porterville, Tulare County.

City: Porterville
County: Tulare County
State: California
Prefix: 932xx

Where this code sits

93257 is part of the 932xx range, the group of codes handled by one mail processing centre. Porterville is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Porterville page.

Porterville California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 93257 delivers to without sharing its boundary.

ZIP codes nearest 93257

The ZIP codes whose reference points sit closest to 93257.
ZIP code	Distance	Delivers to
ZIP code 93258	2.8 mi	Porterville, CA
ZIP code 93267	6.0 mi	Strathmore, CA
ZIP code 93270	7.7 mi	Terra Bella, CA
ZIP code 93247	10 mi	Lindsay, CA
ZIP code 93218	12 mi	Ducor, CA
ZIP code 93265	14 mi	Springville, CA
ZIP code 93256	15 mi	Pixley, CA
ZIP code 93272	16 mi	Tipton, 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 93257, plotted from its record coordinates.

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

Scope ZIP code 93257. 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.