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A ZIP Code (an acronym for Zone Improvement Plan) is a system of postal codes used by the United States Postal Service (USPS). The term ZIP was chosen to suggest that the mail travels more efficiently and quickly (zipping along) when senders use the code in the postal address.
Pennsylvania ZIP code map and Pennsylvania ZIP code list. View all zip codes in PA or use the free zip code lookup.
The original North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947, after the demonstration of regional Operator Toll Dialing during the World War II period.
Pennsylvania ZIP Code Map. Pennsylvania has a total of 2168 ZIP Codes. The ZIP Code Prefixes for Pennsylvania ZIP codes are 15, 16, 17, 18 and 19.
Pennsylvania Zip Code Boundary Map (PA) This page shows a map with an overlay of Zip Codes for the US State of Pennsylvania. Users can easily view the boundaries of each Zip Code and the state as a whole.
Map of the United States with Pennsylvania highlighted. There are 56 municipalities classified as cities in the U.S. state of Pennsylvania.
Lancaster (/ ˈ l æ ŋ k ɪ s t ər / LANG-kih-stər) is a city in and the county seat of Lancaster County, Pennsylvania, United States. With a population of 58,039 at the 2020 census, it is the tenth-most populous city in the state. It is a core city within South Central Pennsylvania, with 552,984 residents in the Lancaster metropolitan area.
