Zip code 03603

Zip code 03603, NH

The zip code 03603, type standard, belongs to the following denominations: Charlestown y Unity . It is part of the county Sullivan County, state of New Hampshire. It has an estimated population of 4500.

The postal code 03603 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Charlestown).