Find the last 4 digits (ZIP+4) for an address in 48191

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ZIP Code 48191 – Willis, MI

Willis, Michigan · Washtenaw County · Eastern time

ZIP code48191
CityWillis
StateMichigan
CountyWashtenaw CountyMonroe County
Population4,403
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area16.12 sq mi
Center (lat, long)42.1211, -83.5657

Area codes in this area

517

These are the area codes that most often serve ZIP 48191 (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

48190 Whittaker · 2.1 mi48111 Belleville · 5.8 mi48197 Ypsilanti · 6.3 mi48160 Milan · 6.4 mi48159 Maybee · 6.7 mi48112 Belleville · 7.1 mi48164 New Boston · 8.7 mi48110 Azalia · 9.3 mi

About ZIP 48191

ZIP code 48191 is assigned to Willis, Michigan. It crosses 2 counties; most of its land is in Washtenaw County. Its Census area covers about 16.12 square miles of land. The closest neighboring ZIP is 48190 (Whittaker), about 2.1 miles away.

Every address in 48191 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