Contact Us
Dial 8-1-1 or 1-800-242-1776
To place a dig notification or request underground line markings in Pennsylvania, please Submit a Request Here or call 8-1-1 or 1-800-242-1776. To place a design notification, please use Pennsylvania 811’s Coordinate PA (CPA) application. For more information visit www.pa1call.org/CoordinatePA or contact your local liaison at www.pa1call.org/liaisons.
Hours of Operation
Contact our Administrative offices call 1-800-248-1786 or Chat
Individual Departments
Accounting – extension 7137
Member Services – extension 7168 Underground Facility Owners - Apply for Membership
Education – extension 7136
Shipping and Receiving – extension 7117
Contact us
Via mail
925 Irwin Run Road
West Mifflin, PA 15122
Via email (to request line markings, please click here. Locate requests cannot be made via email.)
contact@pa1call.org
Our purpose is to promote safety and prevent damage to underground facilities.