Texas law requires excavators to contact 811 at least two business days before excavating, excluding weekends and holidays, even if you’re working in your own backyard.

Each state has their own unique processes and laws for digging. The map provides additional details on each 811 center, and specific guidelines for each state.

Anyone planning to dig should call 811 or visit their state’s 811 center website to request that the approximate locations of underground utilities be marked.

Texas law requires homeowners to contact 811 two-business days (excluding weekends and holidays) before digging, even if you’re working in your own backyard. Homeowners should contact 811 when: …

Notify utilities of your intent to dig by calling 811 or making an online request a few days before you plan to break ground. Your state 811 center will inform utility operators in your area that they need to mark …

811 is the national call-before-you-dig phone number to ensure that all utilities have responded to your request before putting a shovel in the ground.

Call 811 two days before you dig—it's the law. Texas law requires you (or your contractor) to contact 811 two-business days (excluding weekends and holidays) before you dig, even if you’re working in …

8-1-1 is an N-1-1 telephone number in Canada and the United States. In Canada, the number is used for non-urgent health services. In the United States, 8-1-1 provides a uniform national phone number to …

Research has revealed that if someone calls 8-1-1 before they dig, they have a 99 percent chance of avoiding an incident, injury, harm to the environment and even death. Want to know more? Receive …

811 is the national phone number designated by the Federal Communications Commission that connects professionals and homeowners who plan to dig with their local one call center.