City ZIP codes · California
Porterville, CA ZIP Codes
2 ZIP codes use the postal name Porterville, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Porterville's most populous ZIP code is 93257, with 80,467 people (ACS 2020-2024); 5% of its land is in the city of Porterville.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Porterville's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 2 residential ZIP codes of Porterville
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).
Which counties do Porterville's ZIP codes reach?
Porterville's residential ZIP codes lie in Tulare County.
Which places do Porterville's ZIP codes cover?
A postal name is not a city limit. By the Census Bureau's places, Porterville's residential ZIP codes cover Porterville itself and 3 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).
Which first three digits do Porterville's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Porterville starts with 932.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 932 | Bakersfield, CA (SCF 932) | 2 | 72 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.