ZIP Code 51231

Zip Code: 51231
Type: Standard
Official USPS city name: Archer
Official USPS State Code: IA
Official State Name: Iowa
ZCTA: TRUE
Population: 386.0
Density: 5.3
Primary Official County Code: 19141
Primary Official County Name: O'Brien
Official County Name: OBrien
Official County Code: 19141
Imprecise: FALSE
Military: FALSE
Timezone: America/Chicago (06:08 AM Saturday, July 05 2025-07-05 (GMT -0500))
Geo Point: 43.10312, -95.74219