***Please do not use this form to submit information to have underground facility lines marked. If you would like to submit a locate request, please dial 811 or 888-721-7877.***

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Locate Request:

811 or (888) 721-7877

Help Desk Support:

1-800-290-2783, option 1

[email protected]


Emergency Request Locates: 24 hours a day 7 days a week

Local Number: (803) 939-1117

Hours of Operations: 7:30am to 5:30pm (excluding weekends and holidays)
Notices can be entered 24/7 through our Web Portal, but will not be processed until the next business day.


810 Dutch Square Blvd, Suite 320
Columbia SC, 29210
Local Line: (803) 939-1117
Fax: (803) 750-4867