Ansonia CT ZIP Code
Ansonia city is located in Connecticut State, New Haven County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Ansonia CT zip code by its streets and block numbers if we have some of the Ansonia streets loaded in our website
Ansonia Area Code is 203 and Time Zone is Eastern (GMT -05:00).
Ansonia Zip Code - Connecticut
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Ansonia City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Ansonia ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Ansonia, Connecticut.
The Ansonia Zip Code is 06401.
If you want to send a mail to Ansonia City, you should use the 06401 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Ansonia 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 06401 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Ansonia 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.