Find the last 4 digits (ZIP+4) for an address in 42123

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ZIP Code 42123 – Austin, KY

Austin, Kentucky · Barren County · Central time

ZIP code42123
CityAustin
StateKentucky
CountyBarren County
Population1,149
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area21.95 sq mi
Center (lat, long)36.8208, -86.0004

Area codes in this area

270364

These are the area codes that most often serve ZIP 42123 (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

42156 Lucas · 4 mi42131 Etoile · 5.1 mi42133 Fountain Run · 7 mi42153 Holland · 9.5 mi42141 Glasgow · 9.8 mi42157 Mount Hermon · 10.3 mi42164 Scottsville · 10.6 mi42142 Glasgow · 13 mi

About ZIP 42123

ZIP code 42123 is assigned to Austin, Kentucky. It lies in Barren County. Its Census area covers about 21.95 square miles of land. The closest neighboring ZIP is 42156 (Lucas), about 4 miles away.

Every address in 42123 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