Hays is a neighborhood in the 31st Ward of the east side of Pittsburgh, Pennsylvania. It is represented on the Pittsburgh City Council by the representative of District 5. It occupies ZIP codes 15227, 15207, and 15236. It is named after James H. Hays, who opened a coal-mining operation called Hays and Haberman Mines in 1828. Hays was first settled in 1789 when still part of Baldwin Township by John Smalls, who named the area Six Mile Ferry Village. The H.B.