32421 is zip code located in Altha, Florida. The population is 4,414, making 32421 the largest zipcode in Altha and the 2nd largest in Calhoun County.
There are 1 public schools in 32421 with an average Homefacts rating of B+. The total crime rate for Altha is very low , and there are 18 registered sex offenders residing in the zip code 32421. Unemployment in 32421 is moderate.
Zip codes within Altha include 32430.