03820 Frequently Asked Questions

A: ZIP Code 03820 is Located in Dover New Hampshire. Portions of 03820 are also in Rochester, Madbury, Rollinsford.

A: ZIP Code 03820 is Located Entirely in Strafford County New Hampshire.

A: The Area Code for 03820 is 603.

A: ZIP Code 03820 is in the New Hampshire 1st Congressional District.

A: 03820 is within New Hampshire House of Representatives District Strafford 7, New Hampshire House of Representatives District Strafford 11, New Hampshire House of Representatives District Strafford 12, New Hampshire House of Representatives District Strafford 13, New Hampshire House of Representatives District Strafford 14, New Hampshire House of Representatives District Strafford 15, New Hampshire House of Representatives District Strafford 16 and New Hampshire House of Representatives District Strafford 17.

A: 03820 is within New Hampshire State Senate District 4, New Hampshire State Senate District 6 and New Hampshire State Senate District 21.

A: The 2022 population of ZIP Code 03820 is 32925. The population growth rate in 03820 is 5.62%.

A: The majority race/ethnicity of people residing in 03820 is White (90.88%). The majority race/ethnicity of students attending public schools in 03820 is White(82.02%).

A: The median household income in 03820 is $82,464 (2021) and the average adjusted income is $433,240 (2021).