Southwick MA ZIP Code
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Southwick city is located in Massachusetts State, Hampden County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Southwick MA zip code by its streets and block numbers if we have some of the Southwick streets loaded in our website
Southwick Area Code is 413 and Time Zone is Eastern (GMT -05:00).
Southwick Zip Code - Massachusetts
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Southwick City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Southwick ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Southwick, Massachusetts.
The Southwick Zip Code is 01077.
If you want to send a mail to Southwick City, you should use the 01077 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Southwick 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 01077 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Southwick 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.