Call 811 Call 811

Montana

Montana

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


One Call Centers

811 or
1-800-424-5555
South Colby WA

Hours:

24 / 7

Advance Notice:

2 business days
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:

30 Days
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.
811 or
1-800-551-8344
Kalispell MT

Hours:

24 / 7

Advance Notice:

2 business days
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:

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