Explore ZIP codes in New Castle, Delaware. This city has 52 unique ZIP Codes. Find the ZIP code for any area in New Castle.
Bear
Claymont
Delaware City
Hockessin
Kirkwood
Middletown
Montchanin
New Castle
Newark
Odessa
Port Penn
Rockland
Saint Georges
Townsend
Wilmington
Winterthur
Yorklyn