• MICHIGAN
Miss Dig System, Inc. (800) 482-7171

• MINNESOTA
Gopher State One Call (800) 252-1166

• MISSISSIPPI
Mississippi One Call System, Inc. (800) 227-6477

• MISSOURI
Missouri One Call System, Inc. (800) 344-7483

• MONTANA
Utilities Underground Location Center (800) 424-5555 or (800) 551-8344
Montana One Call (800) 551-8344

• NEBRASKA
Diggers Hotline of Nebraska (800) 331-5666

• NEVADA
Underground Service Alert North (800) 227-2600

• NEW HAMPSHIRE
Dig Safe System, Inc. (888) 344-7233

• NEW JERSEY
New Jersey One Call (800) 272-1000

• NEW MEXICO
New Mexico One Call System, Inc. (800) 321-ALERT
Las Cruces-Dona Ana Utility Council (888) 526-0400

• NEW YORK
Underground Facility Protection Organization (800) 962-7962
New York City - Long Island One Call Center (800) 272-4480

• NORTH CAROLINA
North Carolina One-Call Center (800) 632-4949

• NORTH DAKOTA
North Dakota One Call (800) 795-0555

• OHIO
Ohio Utilities Protection Service (800) 362-2764
Oil and Gas Producers Underground Protection Service (800) 925-0988

• OKLAHOMA
Call Okie (800) 522-6543 or (800) 654-8249

• OREGON
Oregon Utility Notification Center (800) 332-2344

• PENNSYLVANIA
Pennsylvania One Call System, Inc. (800) 242-1776

• PUERTO RICO
Puerto Rico Excavation & Demolition Coordination Center
Public Service Commission (GOVERNMENT AGENCY) 787-764-4900
Puerto Rico Telephone Excavation Center 787-792-7478

• RHODE ISLAND
Dig Safe System, Inc. (888) 344-7233