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ZIP Code 19966 – Millsboro, DE

Millsboro, Delaware · Sussex County · Eastern time

ZIP code19966
CityMillsboro
StateDelaware
CountySussex County
Area code302
Population35,884
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area89.08 sq mi
Center (lat, long)38.5794, -75.2772

Map

Nearby ZIP codes

19939 Dagsboro · 3.8 mi19945 Frankford · 6.2 mi19951 Harbeson · 7.4 mi19967 Millville · 8.9 mi19947 Georgetown · 9.3 mi19975 Selbyville · 9.5 mi19970 Ocean View · 9.7 mi19930 Bethany Beach · 11.4 mi

About ZIP 19966

ZIP code 19966 is assigned to Millsboro, Delaware. It lies in Sussex County. Its Census area covers about 89.08 square miles of land. The closest neighboring ZIP is 19939 (Dagsboro), about 3.8 miles away.

Every address in 19966 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