04257 is zip code located in Mexico, Maine. The population is 2,701, making 04257 the largest zipcode in Mexico and the 9th largest in Oxford County.
There are 3 public schools in 04257 with an average Homefacts rating of C-. The total crime rate for Mexico is high , and there are 9 registered sex offenders residing in the zip code 04257. Unemployment in 04257 is high.