Home› ZIP Codes› South Dakota› 57720

ZIP Code 57720

Buffalo, South Dakota, United States

Standard ZIP Mountain Time (MT)
518
Population
0.2
Per sq mile
Harding
County

About ZIP Code 57720

ZIP code 57720 is assigned to Buffalo, Harding County, South Dakota, United States. It falls in the Mountain Time (MT) zone. The estimated population of this ZIP code area is 518 with a density of 0.2 people per square mile.

🔍 Looking for another ZIP code? Browse all US ZIP codes →

Location Details

ZIP Code57720
CityBuffalo
CountyHarding County
StateSouth Dakota
CountryUnited States
TimezoneMountain Time (MT)
Timezone IDAmerica/Denver
Latitude45.5497
Longitude-103.6065
ZIP TypeStandard ZIP

Post Office

Address109 1ST ST W
CityBUFFALO
StateSD

Nearby ZIP Codes in South Dakota

57776
Redig
57755
Ludlow
57724
Camp Crook
57651
Reva
57762
Nisland
57649
Prairie City

Frequently Asked Questions

What city is ZIP code 57720 in?

ZIP code 57720 is in Buffalo, Harding County, South Dakota, United States.

What county is ZIP code 57720 in?

ZIP code 57720 is in Harding County, South Dakota.

What timezone is ZIP code 57720 in?

ZIP code 57720 is in the Mountain Time (MT) zone (America/Denver).

What is the population of ZIP code 57720?

The estimated population of ZIP code 57720 is 518 people with a density of 0.2 people per square mile.

What state is ZIP code 57720 in?

ZIP code 57720 is in South Dakota (SD), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.