Find the last 4 digits (ZIP+4) for an address in 48557

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ZIP Code 48557 – Flint, MI

Flint, Michigan · Genesee County · Eastern time

ZIP code48557
CityFlint
StateMichigan
CountyGenesee County
PopulationNot published (no Census ZIP area)
Time zoneEastern · local time
ZIP typePO box or unique ZIP (no Census area)
Center (lat, long)43.0806, -83.7837

Area codes in this area

810

These are the area codes that most often serve ZIP 48557 (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

48504 Flint · 2.7 mi48433 Flushing · 3.9 mi48505 Flint · 4.7 mi48532 Flint · 4.8 mi48550 Flint · 5.7 mi48458 Mount Morris · 6 mi48555 Flint · 6 mi48502 Flint · 6.6 mi

About ZIP 48557

ZIP code 48557 is assigned to Flint, Michigan. It lies in Genesee County. It is a PO-box-only or single-address ZIP, so the Census Bureau does not publish an area for it; the location shown is approximate. The closest neighboring ZIP is 48504 (Flint), about 2.7 miles away.

Every address in 48557 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