US location post office
ZIP Code 57451
- Zip Code: 57451
- Type: Standard
- Official USPS city name: Ipswich
- Official USPS State Code: SD
- Official State Name: South Dakota
- ZCTA: TRUE
- Population: 2166.0
- Density: 1.9
- Primary Official County Code: 46045
- Primary Official County Name: Edmunds
- Official County Name: Edmunds| Brown
- Official County Code: 46045| 46013
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Chicago (09:50 AM Monday, May 20 2024-05-20 (GMT -0500))
- Geo Point: 45.43469, -98.94763
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