Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/KY/AUSTIN

Austin ZIP code, Kentucky

The ZIP code for Austin, KY is 42123, and its area code is 270.

USPS city name
1 ZIP code
Population
1,149
Area code
270

NANPA lists no telephone rate centre for Austin itself, so these are the area codes of the nearest one, Lucas (4.0 miles). A town on an area-code boundary can differ from its neighbour.

Austin in numbers

About 1,149 people live in Austin, in 473 households. The median household income is $61,010 a year, 4% below the Kentucky median of $63,726 (US: $80,734).

Population1,149Austin1,149
Households473Austin473
Median household income$61,010Austin$61,010Kentucky$63,726US $80,734

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Austin. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Austin

ZIP codes with the USPS city name Austin
ZIP City Type Population Median income Median home
42123 Austin , KY Standard 1,149 $61,010 —

Map of Austin ZIP codes

The ZIP codes of Austin, KY, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Austin

The nearest larger towns are Scottsville (4,427 people, 12 mi), Glasgow (15,197 people, 13 mi) and Tompkinsville (2,613 people, 19 mi).

Towns near Austin
TownPopulationDistance
Scottsville 4,427 12.5 mi
Glasgow 15,197 13.4 mi
Tompkinsville 2,613 18.9 mi
Lafayette, TN 5,727 20.6 mi
Cave City 2,730 22.1 mi
Westmoreland, TN 2,845 22.2 mi
Bowling Green 75,388 26.3 mi

More nearby: every ZIP code in Barren County · Kentucky ZIP codes

Cite this page

zipcodes.pro. “Austin, KY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ky/austin

Underlying data is public domain or openly licensed — sources, vintages and licences.