ZIP Codes in Newark, DE
Newark uses 5 ZIP codes, all in New Castle County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 5 Newark ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 19702 | standard | New Castle | 55,683 |
| 19711 | standard | New Castle | 49,432 |
| 19713 | standard | New Castle | 30,747 |
| 19716 | standard | New Castle | — |
| 19717 | standard | New Castle | 6,036 |
Finding a ZIP+4 in Newark
Knowing which of these 5 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Newark street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Newark addresses and download it complete.