43420 is zip code located in Fremont, Ohio. The population is 30,927, making 43420 the largest zipcode in Fremont and the largest in Sandusky County.
There are 10 public schools in 43420 with an average Homefacts rating of C. , and there are 72 registered sex offenders residing in the zip code 43420. Unemployment in 43420 is moderate.