Pennsylvania, the Keystone State, played a central role in the founding of the United States. With cities like Philadelphia and Pittsburgh and attractions like Gettysburg and the Pocono Mountains, Pennsylvania is steeped in history and natural beauty. It also maintains a strong presence in manufacturing, healthcare, and education.

Pennsylvania’s telecom network includes legacy codes like 215 and 412, as well as 610, 717, 570, 724, and overlays such as 267, 878, and 223. These Pennsylvania area codes cover everything from historic Philly neighborhoods to rural Dutch Country, providing comprehensive coverage in one of America’s most populous and diverse states.