Montana
Montana
Explore damage prevention information, local contacts and rules for safe digging in Montana.
One Call Centers
811 or1-800-424-5555
South Colby WA
Hours:
24 / 7Advance Notice:
2 business daysNumber 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 DaysDefines 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 / 7Advance Notice:
2 business daysNumber 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 DaysDefines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.
