US location post office
ZIP Code 50634
- Zip Code: 50634
- Type: POBox
- Official USPS city name: Gilbertville
- Official USPS State Code: IA
- Official State Name: Iowa
- ZCTA: TRUE
- Population: 822.0
- Density: 826.5
- Primary Official County Code: 19013
- Primary Official County Name: Black Hawk
- Official County Name: Black Hawk
- Official County Code: 19013
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Chicago (23:11 PM Monday, July 13 2026-07-13 (GMT -0500))
- Geo Point: 42.41892, -92.21456
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