03865 Frequently Asked Questions

A: ZIP Code 03865 is Located in Plaistow New Hampshire.

A: ZIP Code 03865 is Located Entirely in Rockingham County New Hampshire.

A: The Area Code for 03865 is 603.

A: ZIP Code 03865 is in the New Hampshire 1st Congressional District.

A: ZIP Code 03865 is in New Hampshire House of Representatives District Rockingham 20.

A: ZIP Code 03865 is in New Hampshire State Senate District 22.

A: The 2022 population of ZIP Code 03865 is 7843. The population growth rate in 03865 is 2.22%. The population density of 03865 is 751.

A: The majority race/ethnicity of people residing in 03865 is White (91.17%). The majority race/ethnicity of students attending public schools in 03865 is White(90.86%).

A: The median household income in 03865 is $90,508 (2021) and the average adjusted income is $415,970 (2021).
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