 Professional excavators and homeowners, safety always comes first, and safe digging is no accident. So before you begin your next digging project, remember to call Kansas 811 to have your underground utility lines marked for free. Know what's below. Call 811 before you dig. So play it safe. Put down the shovel, pick up the phone, and call 811 first. This message is brought to you by Kansas 811, reminding you that no matter if your digging project is big or small, don't make a judgment call. Always call 811 before you dig.