ZIP Code 57720 – Buffalo, South Dakota | ZipsCode.us
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ZIP Code 57720
Buffalo, South Dakota · Harding
ZIP code 57720 belongs to the city of Buffalo in South Dakota (Harding). See all South Dakota ZIP Codes.
ZIP code 57720 belongs to Buffalo, South Dakota, in Harding. If you are mailing a letter or package to this area, use Buffalo, SD 57720 in the address. On this page you will find the city and county for 57720, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 57720?
The city for ZIP code 57720 is Buffalo, South Dakota. When you write an address in this area, the correct format is: Name, Street Address, Buffalo, SD 57720.
ZIP Code 57720 County and State
ZIP code 57720 is located in Harding, South Dakota. For a complete list of cities and ZIP codes across the state, see the South Dakota ZIP Codes page.
Nearby ZIP Codes in Harding
These ZIP codes are in the same county as 57720:
ZIP Code 57720 on the Map
The map below shows the approximate center of ZIP code 57720, near Buffalo, South Dakota. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 45.574, -103.5826). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 57720
According to public U.S. Census Bureau data, ZIP code 57720 is home to a community in South Dakota. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 57720
Need the full ZIP+4 code for a specific street address in Buffalo? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 57720?
ZIP code 57720 is for Buffalo, South Dakota.
What county is ZIP code 57720 in?
ZIP code 57720 is in Harding, South Dakota.
What state is ZIP code 57720 in?
ZIP code 57720 is in South Dakota (SD).
How do I find the ZIP+4 for an address in 57720?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 57720?
Nearby ZIP codes include 57650 (Ralph), 57651 (Reva), 57724 (Camp Crook), 57755 (Ludlow), 57776 (Redig).
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