ZIP Code 52321

Zip Code: 52321
Type: Standard
Official USPS city name: Onslow
Official USPS State Code: IA
Official State Name: Iowa
ZCTA: TRUE
Population: 358.0
Density: 4.6
Primary Official County Code: 19105
Primary Official County Name: Jones
Official County Name: Jones
Official County Code: 19105
Imprecise: FALSE
Military: FALSE
Timezone: America/Chicago (21:23 PM Wednesday, May 21 2025-05-21 (GMT -0500))
Geo Point: 42.14722, -90.98325