Find the last 4 digits (ZIP+4) for an address in 51527

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ZIP Code 51527 – Defiance, IA

Defiance, Iowa · Shelby County · Central time

ZIP code51527
CityDefiance
StateIowa
CountyShelby CountyCrawford County
Population362
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area42.26 sq mi
Center (lat, long)41.8398, -95.3365

Area codes in this area

712

These are the area codes that most often serve ZIP 51527 (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

51530 Earling · 6 mi51454 Manilla · 8.1 mi51446 Irwin · 8.6 mi51578 Westphalia · 8.8 mi51528 Dow City · 9.7 mi51520 Arion · 10.9 mi51447 Kirkman · 11.1 mi51562 Panama · 11.3 mi

About ZIP 51527

ZIP code 51527 is assigned to Defiance, Iowa. It crosses 2 counties; most of its land is in Shelby County. Its Census area covers about 42.26 square miles of land. The closest neighboring ZIP is 51530 (Earling), about 6 miles away.

Every address in 51527 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