Find the last 4 digits (ZIP+4) for an address in 63373

ZIP 63373, Portage Des Sioux, MO is filled in. Just type the street address.

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ZIP Code 63373 – Portage Des Sioux, MO

Portage Des Sioux, Missouri · St. Charles County · Central time

ZIP code63373
CityPortage Des Sioux
StateMissouri
CountySt. Charles County
Population690
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area18.65 sq mi
Center (lat, long)38.9295, -90.3853

Area codes in this area

314557

These are the area codes that most often serve ZIP 63373 (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

62028 Elsah · 2.6 mi62022 Dow · 6 mi63301 Saint Charles · 6.5 mi62037 Grafton · 7.1 mi63034 Florissant · 7.8 mi62035 Godfrey · 7.9 mi63031 Florissant · 8.3 mi63386 West Alton · 9.8 mi

About ZIP 63373

ZIP code 63373 is assigned to Portage Des Sioux, Missouri. It lies in St. Charles County. Its Census area covers about 18.65 square miles of land. The closest neighboring ZIP is 62028 (Elsah), about 2.6 miles away.

Every address in 63373 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