Find the last 4 digits (ZIP+4) for an address in 51566

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ZIP Code 51566 – Red Oak, IA

Red Oak, Iowa · Montgomery County · Central time

ZIP code51566
CityRed Oak
StateIowa
CountyMontgomery CountyPage CountyPottawattamie County
Population7,010
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area176.41 sq mi
Center (lat, long)41.0151, -95.2297

Area codes in this area

712

These are the area codes that most often serve ZIP 51566 (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

51591 Red Oak · 4 mi51573 Stanton · 7.4 mi51533 Emerson · 7.9 mi51532 Elliott · 10.5 mi51638 Essex · 12.4 mi51541 Henderson · 12.9 mi50864 Villisca · 13.5 mi51645 Imogene · 13.6 mi

About ZIP 51566

ZIP code 51566 is assigned to Red Oak, Iowa. It crosses 3 counties; most of its land is in Montgomery County. Its Census area covers about 176.41 square miles of land. The closest neighboring ZIP is 51591 (Red Oak), about 4 miles away.

Every address in 51566 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