78588 is zip code located in San Isidro, Texas. The population is 219, making 78588 the largest zipcode in San Isidro and the 6th largest in Starr County.
There are 2 public schools in 78588 with an average Homefacts rating of A-. , and there are 0 registered sex offenders residing in the zip code 78588. Unemployment in 78588 is high.