Southport CT ZIP Code
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Southport city is located in Connecticut State, Fairfield County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Southport CT zip code by its streets and block numbers if we have some of the Southport streets loaded in our website
Southport Area Code is 203 and Time Zone is Eastern (GMT -05:00).
Southport Zip Code - Connecticut
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Southport City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Southport ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Southport, Connecticut.
The Southport Zip Code is 06890.
If you want to send a mail to Southport City, you should use the 06890 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Southport 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 06890 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Southport 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 Connecticut.