811 is the new nationwide call-before-you-dig phone number. Calls to 811 will be routed to the appropriate one-call center for the state where you are planning to dig. The one-call center will notify local utilities to mark their underground lines before digging.   

Listed below are phone numbers for the one-call centers in states where CPPL operates pipelines. Call 811 or the state one-call number two or three days (requirements vary by state) before doing any kind of digging. It's easy and it's free, so there's no reason not to call.

Centros de asistencia estatales
Llame al centro de asistencia estatal antes de cavar.

California
Underground Service Alert
(800) 227-2600

Colorado
Utility Notification Center of Colorado
(800) 922-1987

Idaho
Kootenai County (800) 428-4950
Shoshone County (800) 398-3285

Illinois
JULIE, Inc.
(800) 892-0123

Indiana
Indiana Underground Plant Protection Service, Inc.
(800) 382-5544

Kansas
Kansas One-Call Center
(800) DIG-SAFE or (316) 687-2470

Louisiana
Louisiana One Call System, Inc.
(800) 272-3020

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

Montana
Utilities Underground Location Center
(800) 424-5555 or (800) 551-8344

Nebraska
Diggers Hotline of Nebraska
(800) 331-5666 or (402) 344-3565

New Jersey
New Jersey One Call
(800) 272-1000

New Mexico
New Mexico One Call System, Inc.
(800) 321-ALERT or (505) 260-1990

Oklahoma
Call Okie
(800) 522-6543 or (800) 654-8249

Texas
Texas Excavation Safety System
(800) 344-8377

Utah
Blue Stakes of Utah Utility Notification Center, Inc.
(800) 662-4111

Washington
Washington Call Before You Dig
(800) 424-5555

Wyoming
One Call of Wyoming
(800) 849-2476