Find the last 4 digits (ZIP+4) for an address in 21660

ZIP 21660, Ridgely, 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 21660 – Ridgely, MD

Ridgely, Maryland · Caroline County · Eastern time

ZIP code21660
CityRidgely
StateMaryland
CountyCaroline County
Population4,132
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area32.66 sq mi
Center (lat, long)38.9562, -75.8889

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21660 (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

21641 Hillsboro · 3.9 mi21657 Queen Anne · 5.1 mi21639 Greensboro · 5.7 mi21636 Goldsboro · 6.4 mi21629 Denton · 7.6 mi21625 Cordova · 8.1 mi21640 Henderson · 8.5 mi21617 Centreville · 10.5 mi

About ZIP 21660

ZIP code 21660 is assigned to Ridgely, Maryland. It lies in Caroline County. Its Census area covers about 32.66 square miles of land. The closest neighboring ZIP is 21641 (Hillsboro), about 3.9 miles away.

Every address in 21660 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