US location post office
ZIP Code 51247
- Zip Code: 51247
- Type: Standard
- Official USPS city name: Rock Valley
- Official USPS State Code: IA
- Official State Name: Iowa
- ZCTA: TRUE
- Population: 4834.0
- Density: 16.7
- Primary Official County Code: 19167
- Primary Official County Name: Sioux
- Official County Name: Sioux| Lyon
- Official County Code: 19167| 19119
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Chicago (05:47 AM Monday, July 01 2024-07-01 (GMT -0500))
- Geo Point: 43.19133, -96.33947
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