New Castle ZIP Codes
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ZIP Code of New Castle
County is a political subdivision of a state and is used in 48 out of 50 states in the US. Louisiana and Alaska are the two exceptions where the functionality subdivisions are called parishes and boroughs. Also the number of counties per state ranges from 3 counties of Delaware to 254 counties of Texas.
There are about 16 cities in New Castle . New Castle zip codes will give you a list of all the zip codes of cities present. Counties have significant government use and hence getting the zip code of New Castle is very important.