Greenwich CT ZIP Code
Greenwich 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 Greenwich CT zip code by its streets and block numbers if we have some of the Greenwich streets loaded in our website
Greenwich Area Code is 203 and Time Zone is Eastern (GMT -05:00).
Greenwich Zip Code - Connecticut
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Greenwich City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Greenwich ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Greenwich, Connecticut.
The Greenwich Zip Code is 06830, 06831, 06836.
If you want to send a mail to Greenwich City, you should use the 06830, 06831, 06836 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Greenwich 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 06830, 06831, 06836 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Greenwich 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.