US location post office
ZIP Code 52249
- Zip Code: 52249
- Type: Standard
- Official USPS city name: Keystone
- Official USPS State Code: IA
- Official State Name: Iowa
- ZCTA: TRUE
- Population: 939.0
- Density: 7.2
- Primary Official County Code: 19011
- Primary Official County Name: Benton
- Official County Name: Benton
- Official County Code: 19011
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Chicago (08:57 AM Monday, July 01 2024-07-01 (GMT -0500))
- Geo Point: 42.01417, -92.20543
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