01821 Frequently Asked Questions

A: ZIP Code 01821 is Located in Billerica Massachusetts. Portions of 01821 are also in Pinehurst, Bedford, Nutting Lake.

A: ZIP Code 01821 is Located Entirely in Middlesex County Massachusetts.

A: The Current Sales Tax in ZIP Code 01821 is 6.2%

A: The Area Codes for 01821 are 339, 351, 781 and 978

A: 01821 is within by the Massachusetts 6th Congressional District and the Massachusetts 3rd Congressional District.

A: 01821 is within Massachusetts State House of Representatives District 21st Middlesex and Massachusetts State House of Representatives District 22nd Middlesex.

A: 01821 is within Massachusetts State Senate District First Middlesex and Massachusetts State Senate District Second Middlesex.

A: The 2022 population of ZIP Code 01821 is 30854. The population growth rate in 01821 is 0.00%. The population density of 01821 is 1,828.

A: The majority race/ethnicity of people residing in 01821 is White (83.23%). The majority race/ethnicity of students attending public schools in 01821 is White(78.36%).

A: The median household income in 01821 is $126,146 (2021) and the average adjusted income is $349,500 (2021).