Find the last 4 digits (ZIP+4) for an address in 61414

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ZIP Code 61414 – Altona, IL

Altona, Illinois · Knox County · Central time

ZIP code61414
CityAltona
StateIllinois
CountyKnox CountyHenry County
Population696
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area54.8 sq mi
Center (lat, long)41.1259, -90.1549

Area codes in this area

861

These are the area codes that most often serve ZIP 61414 (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

61419 Bishop Hill · 5.5 mi61467 Oneida · 6 mi61490 Woodhull · 6.8 mi61434 Galva · 7 mi61485 Victoria · 8.4 mi61449 La Fayette · 9.6 mi61238 Cambridge · 10.8 mi61488 Wataga · 10.9 mi

About ZIP 61414

ZIP code 61414 is assigned to Altona, Illinois. It crosses 2 counties; most of its land is in Knox County. Its Census area covers about 54.8 square miles of land. The closest neighboring ZIP is 61419 (Bishop Hill), about 5.5 miles away.

Every address in 61414 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