| State | Phone Number |
| ALABAMA | 1-800-292-8525 |
| ARIZONA | 1-800-782-5348 |
| CALIFORNIA (south) | 1-800-227-2600 or 1-800-422-4133 |
| COLORADO | 1-800-922-1987 or 1-800-833-9417 |
| FLORIDA | 1-800-432-4770 |
| ILLINOIS | 1-800-892-0123 |
| INDIANA | 1-800-382-5544 |
| IOWA | 1-800-292-8989 |
| KENTUCKY | 1-800-752-6007 |
| LOUISIANA | 1-800-272-3020 |
| MINNESOTA | 1-800-252-1166 |
| MISSISSIPPI | 1-800-227-6477 |
| MONTANA | 1-800-424-5555 |
| NEW MEXICO | 1-800-321-2537 |
| NORTH DAKOTA | 1-800-765-0555 |
| OKLAHOMA | 1-800-292-8989 |
| SOUTH DAKOTA | 1-800-781-7474 |
| TENNESSEE | 1-800-351-1111 |
| TEXAS | 1-800-245-4545 (Texas one call system) 1-800-669-8344 (Lonestar Notification Center) 1-800-344-8377 (Texas Excavation Safety System) |
