Find the last 4 digits (ZIP+4) for an address in 50603

ZIP 50603, Alta Vista, IA is filled in. Just type the street address.

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ZIP Code 50603 – Alta Vista, IA

Alta Vista, Iowa · Chickasaw County · Central time

ZIP code50603
CityAlta Vista
StateIowa
CountyChickasaw CountyHoward County
Population555
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area45.11 sq mi
Center (lat, long)43.1889, -92.4582

Area codes in this area

641

These are the area codes that most often serve ZIP 50603 (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

50661 North Washington · 5.4 mi50628 Elma · 6.6 mi50620 Colwell · 7 mi50659 New Hampton · 9.1 mi50645 Ionia · 11.7 mi50460 Orchard · 11.9 mi50616 Charles City · 12.6 mi50466 Riceville · 14.2 mi

About ZIP 50603

ZIP code 50603 is assigned to Alta Vista, Iowa. It crosses 2 counties; most of its land is in Chickasaw County. Its Census area covers about 45.11 square miles of land. The closest neighboring ZIP is 50661 (North Washington), about 5.4 miles away.

Every address in 50603 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