Postal reference / United States

19730Odessa, Delaware

ZIP code 19730 is a United States postal code for Odessa, Delaware. Its county association is New Castle County. The map reference point is at 39.4592, -75.6536.

State / territory
Delaware
Recorded place name
Odessa
County association
New Castle
Estimated coordinate
39.4592, -75.6536
View on OpenStreetMap
ZIP prefix
197 · 27 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
0.675 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

Need the last four digits?

ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.

Find ZIP+4

Explore Delaware

Browse the other 95 ZIP codes recorded for Delaware, sorted by code with place and county.

Delaware directory

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
19709MiddletownDENew Castle2.2
19731Port PennDENew Castle5.2
19734TownsendDENew Castle5.6
19733Saint GeorgesDENew Castle6.7
19712NewarkDENew Castle7.9
19714NewarkDENew Castle7.9
19715NewarkDENew Castle7.9
19718NewarkDENew Castle7.9

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

Verify a mailing address

For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.

Open USPS address lookup