Find the last 4 digits (ZIP+4) for an address in 21719

ZIP 21719, Cascade, MD is filled in. Just type the street address.

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ZIP Code 21719 – Cascade, MD

Cascade, Maryland · Washington County · Eastern time

ZIP code21719
CityCascade
StateMaryland
CountyWashington CountyFrederick County
Population1,178
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area4.14 sq mi
Center (lat, long)39.7045, -77.5005

Area codes in this area

227240301

These are the area codes that most often serve ZIP 21719 (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

17250 Rouzerville · 2.5 mi21780 Sabillasville · 2.7 mi17214 Blue Ridge Summit · 3.4 mi21783 Smithsburg · 4.6 mi21720 Cavetown · 5.9 mi17268 Waynesboro · 6.3 mi17320 Fairfield · 7.5 mi17247 Quincy · 7.7 mi

About ZIP 21719

ZIP code 21719 is assigned to Cascade, Maryland. It crosses 2 counties; most of its land is in Washington County. Its Census area covers about 4.14 square miles of land. The closest neighboring ZIP is 17250 (Rouzerville), about 2.5 miles away.

Every address in 21719 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