Find the last 4 digits (ZIP+4) for an address in 48603

ZIP 48603, Saginaw, MI is filled in. Just type the street address.

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ZIP Code 48603 – Saginaw, MI

Saginaw, Michigan · Saginaw County · Eastern time

ZIP code48603
CitySaginaw
StateMichigan
CountySaginaw County
Population27,757
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area18.22 sq mi
Center (lat, long)43.4588, -84.0295

Area codes in this area

989

These are the area codes that most often serve ZIP 48603 (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

48605 Saginaw · 1.1 mi48638 Saginaw · 2.8 mi48602 Saginaw · 3.8 mi48604 Saginaw · 4.1 mi48663 Saginaw · 4.8 mi48607 Saginaw · 5.1 mi48724 Carrollton · 5.2 mi48609 Saginaw · 5.5 mi

About ZIP 48603

ZIP code 48603 is assigned to Saginaw, Michigan. It lies in Saginaw County. Its Census area covers about 18.22 square miles of land. The closest neighboring ZIP is 48605 (Saginaw), about 1.1 miles away.

Every address in 48603 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