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Wyoming 811 rules

In Wyoming you call One-Call of Wyoming: at least 2 full business days before excavation. Ticket life: renew at least once in each following 14-business-day period.

Advance notice before digging
At least 2 full business days before excavation.
Farthest ahead you can call
14 business days.
How long the ticket or marks last
Renew at least once in each following 14-business-day period.
Tolerance zone (hand dig inside it)
Facilities may be up to 24 inches from the marks.
White lining (premarking)
Yes.
The law
W.S. 37-12-301 to 37-12-307 (37-12-302).

Good to know: GPS or digital premarks count, not just paint.

Call 811 from anywhere in Wyoming to reach One-Call of Wyoming, or file online at onecallofwyoming.com.

Running several digs at once?

TrackOver keeps each ticket number, markout date and expiry on the job it belongs to, and warns before a ticket runs out, so the crew in the hole isn't digging on a dead ticket.

Start free811 ticket trackingDig GuardFind dig work on the board

Where this comes from

Checked September 24, 2026 against the one-call center's published copy of the law, because the legislature's own site couldn't be read directly. Rules change; confirm with the center before a big job.

Using TrackOver in Wyoming? See excavation contractor software in Wyoming.

Working as a sub in Wyoming? How fast a GC has to pay you in Wyoming.

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