ZIP Code 51040

Zip Code: 51040
Type: Standard
Official USPS city name: Onawa
Official USPS State Code: IA
Official State Name: Iowa
ZCTA: TRUE
Population: 3500.0
Density: 8.9
Primary Official County Code: 19133
Primary Official County Name: Monona
Official County Name: Monona
Official County Code: 19133
Imprecise: FALSE
Military: FALSE
Timezone: America/Chicago (13:43 PM Tuesday, April 01 2025-04-01 (GMT -0500))
Geo Point: 42.0365, -96.08046