Marlborough CT ZIP Code
Last added ZIP code areas:
Marlborough city is located in Connecticut State, Hartford County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Marlborough CT zip code by its streets and block numbers if we have some of the Marlborough streets loaded in our website
Marlborough Area Code is 860 and Time Zone is Eastern (GMT -05:00).
Marlborough Zip Code - Connecticut
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Marlborough City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Marlborough ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Marlborough, Connecticut.
The Marlborough Zip Code is 06447.
If you want to send a mail to Marlborough City, you should use the 06447 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Marlborough 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 06447 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Marlborough 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.