Billerica MA ZIP Code
Billerica city is located in Massachusetts State, Middlesex County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Billerica MA zip code by its streets and block numbers if we have some of the Billerica streets loaded in our website
Billerica Area Code is 978/508 and Time Zone is Eastern (GMT -05:00).
Billerica Zip Code - Massachusetts
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Billerica City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Billerica ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Billerica, Massachusetts.
The Billerica Zip Code is 01821, 01822.
If you want to send a mail to Billerica City, you should use the 01821, 01822 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Billerica ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 01821, 01822 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Billerica city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Massachusetts.