Delaware ZIP Codes
Delaware has 96 ZIP codes in use: 60 for street addresses, 19 PO box only and 17 for single organizations, numbered from 19701 to 19980 (USPS, October 2026).
Most searched towns in Delaware
- Wilmington 25 ZIPs: 19801, 19802, 19803
- Dover 6 ZIPs: 19901, 19902, 19904
- Newark 10 ZIPs: 19702, 19711, 19713
Ranked by population until search data exists.
Delaware ZIP codes by county
Kent County ZIP codes
New Castle County ZIP codes
- 19701 Bear
- 19702 Newark
- 19703 Claymont
- 19706 Delaware City
- 19707 Hockessin
- 19708 Kirkwood
- 19709 Middletown
- 19710 Montchanin
- 19711 Newark
- 19712 Newark
- 19713 Newark
- 19714 Newark
- 19715 Newark
- 19716 Newark
- 19717 Newark
- 19718 Newark
- 19720 New Castle
- 19721 New Castle
- 19725 Newark
- 19726 New Castle
- 19730 Odessa
- 19731 Port Penn
- 19732 Rockland
- 19733 Saint Georges
- 19734 Townsend
- 19735 Winterthur
- 19736 Yorklyn
- 19801 Wilmington
- 19802 Wilmington
- 19803 Wilmington
- 19804 Wilmington
- 19805 Wilmington
- 19806 Wilmington
- 19807 Wilmington
- 19808 Wilmington
- 19809 Wilmington
- 19810 Wilmington
- 19850 Wilmington
- 19880 Wilmington
- 19884 Wilmington
- 19885 Wilmington
- 19886 Wilmington
- 19890 Wilmington
- 19891 Wilmington
- 19892 Wilmington
- 19893 Wilmington
- 19894 Wilmington
- 19895 Wilmington
- 19896 Wilmington
- 19897 Wilmington
- 19898 Wilmington
- 19899 Wilmington
Sussex County ZIP codes
- 19930 Bethany Beach
- 19931 Bethel
- 19933 Bridgeville
- 19939 Dagsboro
- 19940 Delmar
- 19941 Ellendale
- 19944 Fenwick Island
- 19945 Frankford
- 19947 Georgetown
- 19950 Greenwood
- 19951 Harbeson
- 19956 Laurel
- 19958 Lewes
- 19960 Lincoln
- 19963 Milford
- 19966 Millsboro
- 19967 Millville
- 19968 Milton
- 19969 Nassau
- 19970 Ocean View
- 19971 Rehoboth Beach
- 19973 Seaford
- 19975 Selbyville
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections