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ZIP Code 19904 – Dover, DE

Dover, Delaware · Kent County · Eastern time

ZIP code19904
CityDover
StateDelaware
CountyKent County
Area code302
Population38,818
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area43.19 sq mi
Center (lat, long)39.1713, -75.5876

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Nearby ZIP codes

19906 Dover · 3.3 mi19936 Cheswold · 3.3 mi19905 Dover · 3.5 mi19955 Kenton · 5.6 mi19953 Hartly · 5.8 mi19901 Dover · 6.1 mi19934 Camden Wyoming · 6.3 mi19980 Woodside · 6.8 mi

About ZIP 19904

ZIP code 19904 is assigned to Dover, Delaware. It lies in Kent County. Its Census area covers about 43.19 square miles of land. The closest neighboring ZIP is 19906 (Dover), about 3.3 miles away.

Every address in 19904 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