01860 is zip code located in Merrimac, Massachusetts. The population is 6,368, making 01860 the largest zipcode in Merrimac.
There are 2 public schools in 01860 with an average Homefacts rating of B-. The total crime rate for Merrimac is very low , and there are 5 registered sex offenders residing in the zip code 01860. Unemployment in 01860 is low.