Find the last 4 digits (ZIP+4) for an address in 20646

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ZIP Code 20646 – La Plata, MD

La Plata, Maryland · Charles County · Eastern time

ZIP code20646
CityLa Plata
StateMaryland
CountyCharles County
Population21,400
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area79.77 sq mi
Center (lat, long)38.5207, -76.9999

Area codes in this area

227240301

These are the area codes that most often serve ZIP 20646 (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

20604 Waldorf · 1.2 mi20677 Port Tobacco · 2.6 mi20675 Pomfret · 4.4 mi20611 Bel Alton · 4.6 mi20695 White Plains · 4.8 mi20693 Welcome · 6.4 mi20602 Waldorf · 7.1 mi20632 Faulkner · 7.2 mi

About ZIP 20646

ZIP code 20646 is assigned to La Plata, Maryland. It lies in Charles County. Its Census area covers about 79.77 square miles of land. The closest neighboring ZIP is 20604 (Waldorf), about 1.2 miles away.

Every address in 20646 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