93257 is zip code located in Porterville, California. The population is 76,627, making 93257 the largest zipcode in Porterville and the largest in Tulare County.
There are 35 public schools in 93257 with an average Homefacts rating of C+. The total crime rate for Porterville is moderate , and there are 154 registered sex offenders residing in the zip code 93257. Unemployment in 93257 is high.
Zip codes within Porterville include 93258.