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List of Zip Codes in New Castle, Pennsylvania

Outlined below is a zip code list for New Castle. Select a zip code you are interested in to find zip code data on demographics, family, housing, education, transportation, and real estate. See the New Castle Zip Code Map.

Zip Code 16101 Population: 34,664
Zip Code 16102 Population: 5,589
Zip Code 16105 Population: 15,040