03604 is zip code located in Alstead, New Hampshire. The population is 249, making 03604 the 2nd largest zipcode in Alstead.
There are 0 public schools in 03604 with an average Homefacts rating of NA. The total crime rate for Alstead is low , and there are 0 registered sex offenders residing in the zip code 03604. Unemployment in 03604 is low.
Zip codes within Alstead include 03602.