Find the last 4 digits (ZIP+4) for an address in 66543

ZIP 66543, Vassar, KS is filled in. Just type the street address.

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ZIP Code 66543 – Vassar, KS

Vassar, Kansas · Osage County · Central time

ZIP code66543
CityVassar
StateKansas
CountyOsage County
Population980
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area8.87 sq mi
Center (lat, long)38.6396, -95.5994

Area codes in this area

785

These are the area codes that most often serve ZIP 66543 (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

66528 Quenemo · 4.2 mi66451 Lyndon · 4.7 mi66076 Pomona · 8.4 mi66510 Melvern · 9.7 mi66537 Scranton · 10.1 mi66524 Overbrook · 11.6 mi66523 Osage City · 12.7 mi66414 Carbondale · 14 mi

About ZIP 66543

ZIP code 66543 is assigned to Vassar, Kansas. It lies in Osage County. Its Census area covers about 8.87 square miles of land. The closest neighboring ZIP is 66528 (Quenemo), about 4.2 miles away.

Every address in 66543 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