US location post office
ZIP Code 57256
- Zip Code: 57256
- Type: Standard
- Official USPS city name: Ortley
- Official USPS State Code: SD
- Official State Name: South Dakota
- ZCTA: TRUE
- Population: 110.0
- Density: 1.5
- Primary Official County Code: 46109
- Primary Official County Name: Roberts
- Official County Name: Roberts| Grant
- Official County Code: 46109| 46051
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Chicago (18:35 PM Sunday, May 12 2024-05-12 (GMT -0500))
- Geo Point: 45.2657, -97.19248
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