03753 is zip code located in Grantham, New Hampshire. The population is 2,928, making 03753 the largest zipcode in Grantham and the 5th largest in Sullivan County.
There are 1 public schools in 03753 with an average Homefacts rating of A+. The total crime rate for Grantham is very low , and there are 2 registered sex offenders residing in the zip code 03753. Unemployment in 03753 is low.