Find the last 4 digits (ZIP+4) for an address in 20603

ZIP 20603, Waldorf, MD is filled in. Just type the street address.

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ZIP Code 20603 – Waldorf, MD

Waldorf, Maryland · Charles County · Eastern time

ZIP code20603
CityWaldorf
StateMaryland
CountyCharles County
Population31,844
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area16.2 sq mi
Center (lat, long)38.6291, -76.9756

Area codes in this area

227240301

These are the area codes that most often serve ZIP 20603 (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

20695 White Plains · 2.9 mi20675 Pomfret · 3.8 mi20607 Accokeek · 4.1 mi20602 Waldorf · 5.4 mi20601 Waldorf · 6.5 mi20616 Bryans Road · 7 mi20646 La Plata · 7.6 mi20744 Fort Washington · 8.1 mi

About ZIP 20603

ZIP code 20603 is assigned to Waldorf, Maryland. It lies in Charles County. Its Census area covers about 16.2 square miles of land. The closest neighboring ZIP is 20695 (White Plains), about 2.9 miles away.

Every address in 20603 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