Oneco CT ZIP Code
Oneco city is located in Connecticut State, Windham County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Oneco CT zip code by its streets and block numbers if we have some of the Oneco streets loaded in our website
Oneco Area Code is 860 and Time Zone is Eastern (GMT -05:00).
Oneco Zip Code - Connecticut
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Oneco City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Oneco ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Oneco, Connecticut.
The Oneco Zip Code is 06373.
If you want to send a mail to Oneco City, you should use the 06373 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Oneco 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 06373 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Oneco 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.