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ZIP Code 19803 – Wilmington, DE

Wilmington, Delaware · New Castle County · Eastern time

ZIP code19803
CityWilmington
StateDelaware
CountyNew Castle County
Area code302
Population22,279
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area12.66 sq mi
Center (lat, long)39.7999, -75.5422

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Nearby ZIP codes

19732 Rockland · 1.7 mi19810 Wilmington · 2.3 mi19710 Montchanin · 2.4 mi19806 Wilmington · 2.8 mi19735 Winterthur · 3 mi19802 Wilmington · 3.2 mi19809 Wilmington · 3.7 mi19884 Wilmington · 3.7 mi

About ZIP 19803

ZIP code 19803 is assigned to Wilmington, Delaware. It lies in New Castle County. Its Census area covers about 12.66 square miles of land. The closest neighboring ZIP is 19732 (Rockland), about 1.7 miles away.

Every address in 19803 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