Chelsea MA ZIP Code
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Chelsea city is located in Massachusetts State, Suffolk County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Chelsea MA zip code by its streets and block numbers if we have some of the Chelsea streets loaded in our website
Chelsea Area Code is 617/857 and Time Zone is Eastern (GMT -05:00).
Chelsea Zip Code - Massachusetts
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Chelsea City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Chelsea ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Chelsea, Massachusetts.
The Chelsea Zip Code is 02150.
If you want to send a mail to Chelsea City, you should use the 02150 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Chelsea 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 02150 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Chelsea 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.