Zip Code Information
ZIP Code
01821
City
Billerica
State
Massachusetts
County
Middlesex County
Population
32,797
Density
764.4 /km²
Latitude
42.55016
Longitude
-71.25217
Time Zone
America/New_York
About Zip Code 01821
Zip Code 01821 is primarily located in Billerica, Massachusetts. It covers an area in Middlesex County. The population of this area is approximately 32,797.0, with a population density of 764.4 people per square kilometer. This Zip Code falls within the America/New_York timezone.
Frequently Asked Questions
What city is Zip Code 01821 in? +
Zip Code 01821 is in Billerica, Massachusetts.
What is the population of Zip Code 01821? +
The population of Zip Code 01821 is 32,797.0.
What county is Zip Code 01821 in? +
It is located in Middlesex County.
What is the timezone for Zip Code 01821? +
The timezone is America/New_York.