Harwich MA ZIP Code

Harwich city is located in Massachusetts State, Barnstable County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Harwich MA zip code by its streets and block numbers if we have some of the Harwich streets loaded in our website

Harwich Area Code is 508/774 and Time Zone is Eastern (GMT -05:00).


Harwich Zip Code - Massachusetts

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Harwich City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Harwich ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Harwich, Massachusetts.

If you want to send a mail to Harwich City, you should use the 02645 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Harwich 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 02645 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Harwich 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 Massachusetts.


Harwich, Massachusetts - MAP


ZIP Plus 4 Harwich - US Streets Zip Codes

By pressing keys ctrol + F you can search Harwich zip codes by its streets, highways, and know the ZIP+4 US ZIP Code


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Harwich ZIP Code Lookup

02645 Zip Code Information:
Zip Code: 02645,
City: Harwich
Harwich Area Code: 508/774
Harwich, MA - Time Zone: Eastern (GMT -05:00)
County: Barnstable
City Alias: East Harwich, Hardwich, Harwich, E Harwich
State: Massachusetts
State Abb: MA



Massachusetts Zip+4 - Nearby Harwich Cities

Cities near Harwich in Massachusetts
(straight line)


View more Massachusetts zip codes