Find the last 4 digits (ZIP+4) for an address in 51230

ZIP 51230, Alvord, IA is filled in. Just type the street address.

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ZIP Code 51230 – Alvord, IA

Alvord, Iowa · Lyon County · Central time

ZIP code51230
CityAlvord
StateIowa
CountyLyon County
Population478
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area23.55 sq mi
Center (lat, long)43.3562, -96.3221

Area codes in this area

712

These are the area codes that most often serve ZIP 51230 (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

51242 Lester · 5.3 mi51235 Doon · 6.8 mi51240 Inwood · 7.6 mi51246 Rock Rapids · 9.4 mi51241 Larchwood · 9.6 mi51247 Rock Valley · 11.2 mi56173 Steen · 12.3 mi56138 Hills · 12.8 mi

About ZIP 51230

ZIP code 51230 is assigned to Alvord, Iowa. It lies in Lyon County. Its Census area covers about 23.55 square miles of land. The closest neighboring ZIP is 51242 (Lester), about 5.3 miles away.

Every address in 51230 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