List of All ZIP Codes in New Castle, PA

ZIP Code	ZIP Code Place Name	County	ZIP Code Type
16037	Harmony	Butler County	Standard
16051	Portersville	Butler County	Standard
16057	Slippery Rock	Butler County	Standard

16101	New Castle	Lawrence County	Standard
16102	New Castle	Lawrence County	Standard

16103	New Castle	Lawrence County	PO Box
16105	New Castle	Lawrence County	Standard
16107	New Castle	Lawrence County	PO Box
16108	New Castle	Lawrence County	Standard

16112	Bessemer	Lawrence County	Standard
16116	Edinburg	Lawrence County	Standard
16117	Ellwood City	Lawrence County	Standard
16120	Enon Valley	Lawrence County	Standard
16123	Fombell	Beaver County	Standard
16127	Grove City	Mercer County	Standard
16132	Hillsville	Lawrence County	PO Box

16140	New Bedford	Lawrence County	PO Box
16141	New Galilee	Lawrence County	Standard
16142	New Wilmington	Mercer County	Standard
16143	Pulaski	Lawrence County	Standard
16155	Villa Maria	Lawrence County	PO Box
16156	Volant	Lawrence County	Standard
16157	Wampum	Lawrence County	Standard
16159	West Middlesex	Mercer County	Standard
16160	West Pittsburg	Lawrence County	PO Box
16172	New Wilmington	Lawrence County	Unique
44442	New Middletown	Mahoning County	Standard

List of ZIP Codes in New Castle, PA