Delaware ZIP codes
96ZIP codes
19701–19980ZIP code range
57Cities and towns
3Counties
1,021,605People in ZIP areas
Delaware ZIP codes are in Eastern Time and use 7 area codes. Search for a city below or browse by county.
Delaware ZIP codes by 3-digit prefix
Most populated Delaware ZIP codes
| ZIP code | City | Population | Median income |
|---|---|---|---|
| 19720 | New Castle | 62,392 | $75,403 |
| 19702 | Newark | 55,683 | $92,446 |
| 19709 | Middletown | 53,234 | $132,956 |
| 19711 | Newark | 49,432 | $95,403 |
| 19701 | Bear | 42,984 | $111,198 |
| 19805 | Wilmington | 41,402 | $60,221 |
| 19808 | Wilmington | 39,082 | $94,234 |
| 19904 | Dover | 38,818 | $66,908 |
| 19901 | Dover | 37,763 | $66,388 |
| 19966 | Millsboro | 35,884 | $78,305 |
| 19958 | Lewes | 31,938 | $97,197 |
| 19713 | Newark | 30,747 | $76,493 |
| 19977 | Smyrna | 27,704 | $76,826 |
| 19973 | Seaford | 26,834 | $64,387 |
| 19810 | Wilmington | 26,530 | $112,775 |
Biggest cities
- Wilmington 25 ZIPs
- Newark 10 ZIPs
- Dover 5 ZIPs
- New Castle 3 ZIPs
- Middletown 1 ZIP
- Bear 1 ZIP
- Millsboro 1 ZIP
- Lewes 1 ZIP
- Smyrna 1 ZIP
- Seaford 1 ZIP
- Milford 1 ZIP
- Georgetown 1 ZIP
- Hockessin 1 ZIP
- Laurel 1 ZIP
- Milton 1 ZIP
- Claymont 1 ZIP
- Rehoboth Beach 1 ZIP
- Townsend 1 ZIP
- Camden Wyoming 1 ZIP
- Magnolia 1 ZIP
- Felton 1 ZIP
- Harrington 1 ZIP
- Selbyville 1 ZIP
- Bridgeville 1 ZIP
Delaware counties
All Delaware cities A–Z
- Bear
- Bethany Beach
- Bethel
- Bridgeville
- Camden Wyoming
- Cheswold
- Claymont
- Clayton
- Dagsboro
- Delaware City
- Delmar
- Dover
- Dover AFB
- Ellendale
- Felton
- Fenwick Island
- Frankford
- Frederica
- Georgetown
- Greenwood
- Harbeson
- Harrington
- Hartly
- Hockessin
- Houston
- Kenton
- Kirkwood
- Laurel
- Lewes
- Lincoln
- Little Creek
- Magnolia
- Marydel
- Middletown
- Milford
- Millsboro
- Millville
- Milton
- Montchanin
- Nassau
- New Castle
- Newark
- Ocean View
- Odessa
- Port Penn
- Rehoboth Beach
- Rockland
- Saint Georges
- Seaford
- Selbyville
- Smyrna
- Townsend
- Viola
- Wilmington
- Winterthur
- Woodside
- Yorklyn
Questions
- How many ZIP codes are in Delaware?
- Delaware has 96 ZIP codes in use: 60 standard, 19 PO Box only, 17 unique (single organization).
- What do Delaware ZIP codes start with?
- Delaware ZIP codes run from 19701 to 19980 and start with 197, 198 and 199.
- Which Delaware ZIP code has the most people?
- 19720 in New Castle, with about 62,392 residents.
- What time zone is Delaware in?
- Delaware ZIP codes are in Eastern Time.