03603 Frequently Asked Questions

A: ZIP Code 03603 is Located in Charlestown New Hampshire. Portions of 03603 are also in Charlestown (town), Unity, Acworth, Langdon.

A: ZIP Code 03603 is Located Entirely in Sullivan County New Hampshire.

A: The Area Code for 03603 is 603.

A: ZIP Code 03603 is in the New Hampshire 2nd Congressional District.

A: 03603 is within New Hampshire House of Representatives District Sullivan 3 and New Hampshire House of Representatives District Sullivan 4.

A: ZIP Code 03603 is in New Hampshire State Senate District 8.

A: The 2022 population of ZIP Code 03603 is 5218. The population growth rate in 03603 is -2.02%.

A: The majority race/ethnicity of people residing in 03603 is White (98.31%). The majority race/ethnicity of students attending public schools in 03603 is White(94.38%).

A: The median household income in 03603 is $48,657 (2021) and the average adjusted income is $55,870 (2020).