South Boston MA ZIP Code
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South Boston 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 South Boston MA zip code by its streets and block numbers if we have some of the South Boston streets loaded in our website
South Boston Area Code is 781/617/857 and Time Zone is Eastern (GMT -05:00).
South Boston Zip Code - Massachusetts
The US ZIP Code basic format consists of five decimal numerical digits assigned to the South Boston City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the South Boston ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in South Boston, Massachusetts.
The South Boston Zip Code is 02127.
If you want to send a mail to South Boston City, you should use the 02127 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded South Boston 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 02127 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a South Boston 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.