811 In Your State

Montana

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

Logo of Montana Utilities Underground Location Center

Montana Utilities Underground Location Center
811 or 1-800-424-5555

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Details

Address:
PO Box 461
Miles City, MT 59301

Hours
24 / 7

Advanced 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.

Logo of Montana One Call Center (Flathead and Lincoln Counties)

Montana One Call Center (Flathead and Lincoln Counties)
811 or 1-800-551-8344

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Details

Address:
Kalispell, MT

Hours
24 / 7

Advanced 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.