51231 postal code
United StatesUpdated 2026-11-09Archer, IowaO'Brien5 digits
Postal code details
1 placeCode
51231
Place
Archer
Region
Iowa
County
O'Brien
Coordinates
43.1179, -95.7417
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗



43.1179, -95.7417© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Archer | Iowa | O'Brien | 43.1179, -95.7417 |
Same code in other countries
3| Country | Place | Region |
|---|---|---|
| CZ Czechia | Roztoky u Jilemnice | Liberecký kraj |
| KR South Korea | 내서읍 | 경상남도 |
| UA Ukraine | Малокозирщина (Перещепинська м.р.) | Dnipropetrovska |
FAQ
Which city is 51231 in?
Archer, Iowa, United States.
What are the coordinates of 51231?
43.1179, -95.7417
Is 51231 used in other countries?
Yes, 3 other countries.
Updated 2026-11-09. Attribution in Data & license.