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Phone: (406) 268-1211

One-Call Locating Service

Montana 811 call before you digIf you plan on doing any excavating be sure to have your utilities locate for any underground services. Call two business days before you will begin work. All you need to do is make one call to the Montana "Call Before You Dig" telephone number.

Be prepared to inform the center of the following information:

  • County, City, Street address
  • Property owner
  • Type of work planned, Extent of work
  • Name of caller, Your telephone number
  • Best time to call you
  • Start date, Start time
  • Contractor and his address

The Utilities Underground Location Center telephone number is: 1-800-424-5555. Visit the website at

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