03237 is zip code located in Gilmanton, New Hampshire. The population is 2,499, making 03237 the largest zipcode in Gilmanton and the 9th largest in Belknap County.
There are 0 public schools in 03237 with an average Homefacts rating of NA. The total crime rate for Gilmanton is low , and there are 5 registered sex offenders residing in the zip code 03237. Unemployment in 03237 is low.
Zip codes within Gilmanton include 03837.