Williamstown, Pennsylvania Area Code

Williamstown, PA Area Codes are


Williamstown, PA is officially utilizing two area codes which are area codes 717 and 223.

In addition to Williamstown, PA area code information read more details about area code 717, area code 223 and Pennsylvania area codes.

Williamstown, PA is located in Dauphin County and observes the Eastern Time Zone. View our Times by Area Code tool.

Pennsylvania Area Code Map