811 in Your State

When you call 811, the three-digit number to request an underground line locate, pipeline operators and local utilities will come mark the location of lines they operate free of charge.

Visit www.call811.com to learn more about the services provided by 811 centers near you and the information you’ll be asked to provide when you call.

Click on the map below to explore damage prevention information, local contacts and rules for safe digging in your state. 


When planning large projects or land contour activities, including installing ponds, lakes or drainage ditches, call 811 to inquire about a planning ticket that will initiate a consultation meeting with underground pipeline and utility line operators during the planning phase of your project. Planning tickets may not be available in all locations.

Watch the 811 video to learn more about how the 811 service works.