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Common Ground Alliance

The Call811.com web site is managed by the Common Ground Alliance.  The Common Ground Alliance (CGA) is a member-driven association of 1,700 individuals, organizations and sponsors in every facet of the underground utility industry. Established in 2000, CGA is committed to saving lives and preventing damage to underground infrastructure by promoting effective damage prevention practices including calling 811 before you dig.  


Please note, you can NOT request to have your utility lines located through this web site. You need to call 811 from your phone or visit the appropriate state page.  For press inquiries, please visit Common Ground Alliance's media page.  

Call 811 directly to make an appointment. For additional details on your local One Call Center, view the map.

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