Buffalo SD ZIP Code

Buffalo city is located in South Dakota State, Harding County and has a unique zip code assigned by the US Postal Service Office.

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

Buffalo Area Code is 605 and Time Zone is Mountain (GMT -07:00).


Buffalo Zip Code - South Dakota

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

If you want to send a mail to Buffalo City, you should use the 57720 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Buffalo 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 57720 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Buffalo 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 South Dakota.


Buffalo, South Dakota - MAP


ZIP Plus 4 Buffalo - US Streets Zip Codes

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


Buffalo ZIP Code Lookup

57720 Zip Code Information:
Zip Code: 57720,
City: Buffalo
Buffalo Area Code: 605
Buffalo, SD - Time Zone: Mountain (GMT -07:00)
County: Harding
City Alias: Buffalo
State: South Dakota
State Abb: SD



South Dakota Zip+4 - Nearby Buffalo Cities

Cities near Buffalo in South Dakota
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