Find the last 4 digits (ZIP+4) for an address in 48421

ZIP 48421, Columbiaville, MI is filled in. Just type the street address.

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ZIP Code 48421 – Columbiaville, MI

Columbiaville, Michigan · Lapeer County · Eastern time

ZIP code48421
CityColumbiaville
StateMichigan
CountyLapeer CountyGenesee County
Population6,935
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area41.46 sq mi
Center (lat, long)43.1555, -83.3932

Area codes in this area

810

These are the area codes that most often serve ZIP 48421 (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

48464 Otter Lake · 4 mi48463 Otisville · 6.4 mi48435 Fostoria · 6.4 mi48446 Lapeer · 7.5 mi48461 North Branch · 9.8 mi48423 Davison · 10 mi48746 Millington · 10.4 mi48437 Genesee · 11.7 mi

About ZIP 48421

ZIP code 48421 is assigned to Columbiaville, Michigan. It crosses 2 counties; most of its land is in Lapeer County. Its Census area covers about 41.46 square miles of land. The closest neighboring ZIP is 48464 (Otter Lake), about 4 miles away.

Every address in 48421 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