Find the last 4 digits (ZIP+4) for an address in 63648

ZIP 63648, Irondale, MO is filled in. Just type the street address.

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ZIP Code 63648 – Irondale, MO

Irondale, Missouri · Washington County · Central time

ZIP code63648
CityIrondale
StateMissouri
CountyWashington CountySt. Francois County
Population1,858
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area31.32 sq mi
Center (lat, long)37.8153, -90.7010

Area codes in this area

235573

These are the area codes that most often serve ZIP 63648 (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

63624 Bismarck · 5.5 mi63631 Caledonia · 6.3 mi63653 Leadwood · 6.9 mi63660 Mineral Point · 6.9 mi63601 Park Hills · 8.6 mi63622 Belgrade · 11.4 mi63637 Doe Run · 12.2 mi63628 Bonne Terre · 12.3 mi

About ZIP 63648

ZIP code 63648 is assigned to Irondale, Missouri. It crosses 2 counties; most of its land is in Washington County. Its Census area covers about 31.32 square miles of land. The closest neighboring ZIP is 63624 (Bismarck), about 5.5 miles away.

Every address in 63648 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