Find the last 4 digits (ZIP+4) for an address in 51535

ZIP 51535, Griswold, IA is filled in. Just type the street address.

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ZIP Code 51535 – Griswold, IA

Griswold, Iowa · Cass County · Central time

ZIP code51535
CityGriswold
StateIowa
CountyCass CountyPottawattamie County
Population1,697
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area135.33 sq mi
Center (lat, long)41.2265, -95.1267

Area codes in this area

712

These are the area codes that most often serve ZIP 51535 (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

51544 Lewis · 6.2 mi51532 Elliott · 6.2 mi50847 Grant · 9.4 mi50843 Cumberland · 12.6 mi51591 Red Oak · 13.6 mi50022 Atlantic · 14.5 mi51525 Carson · 15.2 mi51560 Oakland · 15.4 mi

About ZIP 51535

ZIP code 51535 is assigned to Griswold, Iowa. It crosses 2 counties; most of its land is in Cass County. Its Census area covers about 135.33 square miles of land. The closest neighboring ZIP is 51544 (Lewis), about 6.2 miles away.

Every address in 51535 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