The term CITY IN CENTRAL PA is referring to the city of ALTOONA, which has seven letters. ALTOONA is a city located in central Pennsylvania, and is the principal city of the ALTOONA Metropolitan Statistical Area. It is the tenth most populous city in the state of Pennsylvania. ALTOONA is home to the Horseshoe Curve National Historic Landmark, which is a curved section of railroad track that was built in 1854. The city is also home to the ALTOONA Curve, a minor league baseball team.