Call 811 Call 811

North Dakota

North Dakota

Explore damage prevention information, local contacts and rules for safe digging in North Dakota.


One Call Centers

811 or
1-800-795-0555

Address:

PO Box 1015
Bismarch ND 58502

Hours:

24 / 7

Advance Notice:

48 hours, excluding week ends and holidays
Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.

Marks Valid:

10 calendar days
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.