02638 Frequently Asked Questions

A: ZIP Code 02638 is Located in Dennis Massachusetts. Portions of 02638 are also in East Dennis, Dennis (town).

A: ZIP Code 02638 is Located Entirely in Barnstable County Massachusetts.

A: The Current Sales Tax in ZIP Code 02638 is 6.2%

A: The Area Codes for 02638 are 508 and 774

A: ZIP Code 02638 is in the Massachusetts 9th Congressional District.

A: ZIP Code 02638 is in Massachusetts State House of Representatives District 1st Barnstable.

A: ZIP Code 02638 is in Massachusetts State Senate District Worcester and Norfolk.

A: The 2022 population of ZIP Code 02638 is 3146. The population growth rate in 02638 is 5.61%. The population density of 02638 is 493.

A: The majority race/ethnicity of people residing in 02638 is White (94.65%).

A: The median household income in 02638 is $100,063 (2021) and the average adjusted income is $726,360 (2021).