Find the last 4 digits (ZIP+4) for an address in 20640

ZIP 20640, Indian Head, MD is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 20640 – Indian Head, MD

Indian Head, Maryland · Charles County · Eastern time

ZIP code20640
CityIndian Head
StateMaryland
CountyCharles County
Population10,685
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area41.72 sq mi
Center (lat, long)38.5267, -77.2016

Area codes in this area

227240301

These are the area codes that most often serve ZIP 20640 (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

20643 Ironsides · 3.3 mi20658 Marbury · 3.8 mi22135 Quantico · 5 mi22026 Dumfries · 5.6 mi20662 Nanjemoy · 6.8 mi22191 Woodbridge · 7.4 mi20693 Welcome · 7.7 mi20677 Port Tobacco · 9.2 mi

About ZIP 20640

ZIP code 20640 is assigned to Indian Head, Maryland. It lies in Charles County. Its Census area covers about 41.72 square miles of land. The closest neighboring ZIP is 20643 (Ironsides), about 3.3 miles away.

Every address in 20640 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