Williamstown MA ZIP Code

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

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

Williamstown Area Code is 413 and Time Zone is Eastern (GMT -05:00).


Williamstown Zip Code - Massachusetts

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

If you want to send a mail to Williamstown City, you should use the 01267 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Williamstown 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 01267 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Williamstown 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.


Williamstown, Massachusetts - MAP


ZIP Plus 4 Williamstown - US Streets Zip Codes

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


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Williamstown ZIP Code Lookup

01267 Zip Code Information:
Zip Code: 01267,
City: Williamstown
Williamstown Area Code: 413
Williamstown, MA - Time Zone: Eastern (GMT -05:00)
County: Berkshire
City Alias: Williamstown, Wmstown, Williamstn
State: Massachusetts
State Abb: MA



Massachusetts Zip+4 - Nearby Williamstown Cities

Cities near Williamstown in Massachusetts
(straight line)


View more Massachusetts zip codes