Find the last 4 digits (ZIP+4) for an address in 48458

ZIP 48458, Mount Morris, MI is filled in. Just type the street address.

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ZIP Code 48458 – Mount Morris, MI

Mount Morris, Michigan · Genesee County · Eastern time

ZIP code48458
CityMount Morris
StateMichigan
CountyGenesee County
Population19,519
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area35.75 sq mi
Center (lat, long)43.1253, -83.6816

Area codes in this area

810

These are the area codes that most often serve ZIP 48458 (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

48437 Genesee · 3.3 mi48420 Clio · 3.8 mi48505 Flint · 3.9 mi48506 Flint · 4.9 mi48504 Flint · 5.8 mi48557 Flint · 6 mi48550 Flint · 6.2 mi48556 Flint · 6.6 mi

About ZIP 48458

ZIP code 48458 is assigned to Mount Morris, Michigan. It lies in Genesee County. Its Census area covers about 35.75 square miles of land. The closest neighboring ZIP is 48437 (Genesee), about 3.3 miles away.

Every address in 48458 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