Find the last 4 digits (ZIP+4) for an address in 51439

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ZIP Code 51439 – Charter Oak, IA

Charter Oak, Iowa · Crawford County · Central time

ZIP code51439
CityCharter Oak
StateIowa
CountyCrawford County
Population818
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area85.93 sq mi
Center (lat, long)42.0828, -95.5891

Area codes in this area

712

These are the area codes that most often serve ZIP 51439 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

51460 Ricketts · 3.5 mi51060 Ute · 5.6 mi51461 Schleswig · 8.6 mi51520 Arion · 10.3 mi51034 Mapleton · 11.7 mi51442 Denison · 12.4 mi51528 Dow City · 12.8 mi51572 Soldier · 13.1 mi

About ZIP 51439

ZIP code 51439 is assigned to Charter Oak, Iowa. It lies in Crawford County. Its Census area covers about 85.93 square miles of land. The closest neighboring ZIP is 51460 (Ricketts), about 3.5 miles away.

Every address in 51439 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources