Whooping cough, also known as pertussis, is a highly contagious disease which causes classic spasms (paroxysms) of uncontrollable coughing, followed by a sharp, high-pitched intake of air which creates the characteristic whoop of the disease's name.
Summary. Until 1997, Pennsylvania had four area codes â 814, 412, 717 and 215. With the increased use of cell phones and consumers purchasing additional lines in their homes, the demand for additional telephone lines exploded.17 region-The 717 area codes stretches from Lancaster to Harrisburg, to York and Fulton County. Western Pennsylvania. 412, 724 and 878 region-The 412 area code is primarily located in Pittsburgh and 724 covers the suburbs of Pittsburgh.
Area code 414 was put into service when (414) 221- was introduced as the first prefix. Area code 920 was created as an overlay to area code 414. The two area codes serve the same area.