New Castle, Delaware Zip code
New Castle, Delaware has 2 Zip codes. The Zip codes are 19720 and 19721..
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The official website of The United State Postal Service(USPS) is https://www.usps.com/.
- For more information about Delaware (U.S. state) see Delaware on Wikipedia
"The Zip code (Post Code) for New Castle, Delaware, USA: 19720 and 19721" is tagged with:
USPS Zip code
Delaware(U.S. state)
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