Contact Us

Contact Us

Dial 8-1-1 or 1-800-242-1776

Planning to dig, you will need to have the underground lines marked. Designing a project, no matter how big or small, you need to know the location of the underground lines. To place a dig or design notification in Pennsylvania, please call 8-1-1 or 1-800-242-1776.

Hours of Operations

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 by mail

925 Irwin Run Road
West Mifflin, PA  15122

Our purpose is to prevent damage to underground facilities. To promote safety, we provide an efficient and effective communications network among project owners, designers, excavators, and facility owners.