ZIP Code 19721 – New Castle, Delaware | ZipsCode.us

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19721

ZIP Code 19721

New Castle, Delaware · New Castle

New CastleNew CastleDelawareUnited States
Which Delaware city is ZIP code 19721 in?
ZIP code 19721 belongs to the city of New Castle in Delaware (New Castle). See all Delaware ZIP Codes.

ZIP code 19721 belongs to New Castle, Delaware, in New Castle. If you are mailing a letter or package to this area, use New Castle, DE 19721 in the address. On this page you will find the city and county for 19721, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.

19721ZIP Code
New CastleCity
New CastleCounty
DelawareState

What City Is ZIP Code 19721?

The city for ZIP code 19721 is New Castle, Delaware. When you write an address in this area, the correct format is: Name, Street Address, New Castle, DE 19721.

ZIP Code 19721 County and State

ZIP code 19721 is located in New Castle, Delaware. For a complete list of cities and ZIP codes across the state, see the Delaware ZIP Codes page.

Nearby ZIP Codes in New Castle

These ZIP codes are in the same county as 19721:

19701 Bear19702 Newark19703 Claymont19706 Delaware City19707 Hockessin19708 Kirkwood19709 Middletown19710 Montchanin19711 Newark

ZIP Code 19721 on the Map

The map below shows the approximate center of ZIP code 19721, near New Castle, Delaware. You can zoom in and drag the map to explore the area.

Map center is approximate (ZIP area center, around 39.5645, -75.597). Map data © OpenStreetMap.

Find an Address in ZIP Code 19721

Need the full ZIP+4 code for a specific street address in New Castle? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.

Frequently Asked Questions

What city is ZIP code 19721?

ZIP code 19721 is for New Castle, Delaware.

What county is ZIP code 19721 in?

ZIP code 19721 is in New Castle, Delaware.

What state is ZIP code 19721 in?

ZIP code 19721 is in Delaware (DE).

How do I find the ZIP+4 for an address in 19721?

Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.

What are the nearby ZIP codes to 19721?

Nearby ZIP codes include 19701 (Bear), 19702 (Newark), 19703 (Claymont), 19706 (Delaware City), 19707 (Hockessin).

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