78598 is zip code located in Port Mansfield, Texas. The population is 297, making 78598 the largest zipcode in Port Mansfield and the 6th largest in Willacy County.
There are 0 public schools in 78598 with an average Homefacts rating of NA. , and there are 3 registered sex offenders residing in the zip code 78598. Unemployment in 78598 is high.