ZIP Code 42021 – Arlington, KY
Arlington, Kentucky · Carlisle County · Central time
| ZIP code | 42021 |
|---|---|
| City | Arlington |
| State | Kentucky |
| County | Carlisle CountyHickman County |
| Population | 1,090 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 56.69 sq mi |
| Center (lat, long) | 36.8057, -88.9936 |
Area codes in this area
These are the area codes that most often serve ZIP 42021 (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
About ZIP 42021
ZIP code 42021 is assigned to Arlington, Kentucky. It crosses 2 counties; most of its land is in Carlisle County. Its Census area covers about 56.69 square miles of land. The closest neighboring ZIP is 42023 (Bardwell), about 4.6 miles away.
Every address in 42021 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