03602 is zip code located in Alstead, New Hampshire. The population is 2,604, making 03602 the largest zipcode in Alstead and the 7th largest in Cheshire County.
There are 3 public schools in 03602 with an average Homefacts rating of C+. The total crime rate for Alstead is low , and there are 4 registered sex offenders residing in the zip code 03602. Unemployment in 03602 is low.
Zip codes within Alstead include 03604.