Explore the most up-to-date Grafton County zip code map, highlighting neighborhoods, boundaries, and key locations. With a total of 37 zip codes, Grafton County is home to 90,836 residents. The county has a median home value of $273,100 and a median household income of $79,949. Below, you’ll find additional key statistics that offer a snapshot of the area.
There are a total of 37 zip codes in Grafton County. Use the interactive map above to view the boundaries for each one.
Complete list of ZIP codes in the area: 03215, 03217, 03222, 03223, 03238, 03240, 03241, 03243, 03245, 03251, 03262, 03264, 03266, 03279, 03282, 03285, 03293, 03561, 03574, 03580, 03585, 03586, 03740, 03741, 03748, 03750, 03755, 03765, 03766, 03768, 03771, 03774, 03777, 03779, 03780, 03784, 03785.