Find the last 4 digits (ZIP+4) for an address in 63640

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ZIP Code 63640 – Farmington, MO

Farmington, Missouri · St. Francois County · Central time

ZIP code63640
CityFarmington
StateMissouri
CountySt. Francois CountySte. Genevieve County
Population29,263
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area209.25 sq mi
Center (lat, long)37.7551, -90.3690

Area codes in this area

235573

These are the area codes that most often serve ZIP 63640 (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

63651 Knob Lick · 5.5 mi63637 Doe Run · 8.7 mi63601 Park Hills · 10.6 mi63653 Leadwood · 14 mi63624 Bismarck · 14.5 mi63645 Fredericktown · 14.8 mi63670 Sainte Genevieve · 15.2 mi63036 French Village · 15.3 mi

About ZIP 63640

ZIP code 63640 is assigned to Farmington, Missouri. It crosses 2 counties; most of its land is in St. Francois County. Its Census area covers about 209.25 square miles of land. The closest neighboring ZIP is 63651 (Knob Lick), about 5.5 miles away.

Every address in 63640 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