US location post office
ZIP Code 61413
- Zip Code: 61413
- Type: Standard
- Official USPS city name: Alpha
- Official USPS State Code: IL
- Official State Name: Illinois
- ZCTA: TRUE
- Population: 932.0
- Density: 11.3
- Primary Official County Code: 17073
- Primary Official County Name: Henry
- Official County Name: Henry
- Official County Code: 17073
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Chicago (12:28 PM Monday, July 07 2025-07-07 (GMT -0500))
- Geo Point: 41.19053, -90.37352
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