Find the last 4 digits (ZIP+4) for an address in 21636

ZIP 21636, Goldsboro, MD is filled in. Just type the street address.

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ZIP Code 21636 – Goldsboro, MD

Goldsboro, Maryland · Caroline County · Eastern time

ZIP code21636
CityGoldsboro
StateMaryland
CountyCaroline County
Population1,097
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area23.51 sq mi
Center (lat, long)39.0150, -75.7958

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21636 (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

21640 Henderson · 3.9 mi21639 Greensboro · 3.9 mi21660 Ridgely · 6.4 mi19964 Marydel · 6.7 mi21644 Ingleside · 8.2 mi21670 Templeville · 8.5 mi21607 Barclay · 8.8 mi21649 Marydel · 9 mi

About ZIP 21636

ZIP code 21636 is assigned to Goldsboro, Maryland. It lies in Caroline County. Its Census area covers about 23.51 square miles of land. The closest neighboring ZIP is 21640 (Henderson), about 3.9 miles away.

Every address in 21636 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