Bell Telephone Exchange Building, also known as the Preston Telephone Exchange, is a historic telephone exchange located in the Powelton Village neighborhood of Philadelphia, Pennsylvania.

It was built about 1900, by the Bell Telephone Company.

It is a three-story, five-bay, brick building on a raised basement and once set within a set of rowhouses.

It features an arched entrance and decorative cornice above the second story.

[2] It was added to the National Register of Historic Places in 2002.