Pennsylvania is a U.S. state in the northeast that is considered to be a commonwealth. Due to the sizable percentage for Quakers who lived in the state, it has been given the nickname the Quaker State. Pennsylvania has a population of 12.2 million, and it was admitted to the Union in December of 1787. Like many states in the Northeast, Pennsylvania was one of the original thirteen colonies. Compared to most northeastern states, Pennsylvania is large in both size and population. When it comes to agriculture, Pennsylvania has a number of qualities which liken it to the south. Economically, Pennsylvania is one of the most prosperous states in the nation.

The GSP for this state was $430 billion in 2005. This makes it the sixth richest nation in the U.S., and if Pennsylvania were a country, it would surpass the yearly income of Belgium. The southern portion of Pennsylvania is known to be a manufacturing powerhouse, and the state has traditionally been known for its steel production.The other parts of the state are quite rural, and the separation between the two plays an important in the economy of the state. A large number of Fortune 500 companies operate in the area, and Pennsylvania is the national leader when it comes to Biotechnology. This state has more biotechnology firms than any other state in the U.S., and the state government has offered favorable incentives for companies that wish to invest in the state. The largest city in this state is Philadelphia, and much like New York City, much of the state's influence is derived from this city.

The Pennsylvania White Pages Phone Directory Database includes residential phone and address data for the state of Pennsylvania. These listings are updated on a 90 day basis to contain the freshest possible phone directory data.