Worcester Plaza is a building located in downtown Worcester, Massachusetts at 446 Main Street. Designed by Kevin Roche John Dinkeloo and Associates, it was completed in 1974, and is currently tied with The 6Hundred as the tallest building in Worcester. It stands 289 feet tall, is 24 stories high, and has 244,000 square feet of total floor space. Its façade is completely glass, similar to the 790-foot John Hancock Tower in nearby Boston.