One-Call List MAINE Dig Safe System Inc. digsafe.com Web Ticket Entry: digsafeform. digsafe.com/cgi-bin/ menucgi.exe Advance Notice: 3 business days Marks Valid: 60 days MARYLAND District One Call missutility.net Web Ticket Entry: missutility.net/ excavators Advance Notice: 2 business days Marks Valid: 12 business days MASSACHUSETTS Dig Safe System Inc. digsafe.com Web Ticket Entry: digsafeform. digsafe.com/cgi-bin/ menucgi.exe Advance Notice: 3 business days Marks Valid: Indefinite MICHIGAN Miss Dig System Inc. missdig.org Web Ticket Entry: missdig.org/ programs/remote-ticket-entry. html Advance Notice: 72 hours, with maximum of 14 days Marks Valid: 21 days, if digging started within 14 days MINNESOTA Gopher State One Call gopherstateonecall.org Web Ticket Entry: mn.itic.occinc. com Advance Notice: 48 hours Marks Valid: 14 calendar days MISSISSIPPI Mississippi 811 ms811.org Web Ticket Entry: geocall.ms811. org/geocell/portal Advance Notice: 2 working days Marks Valid: Ticket valid for 14 calendar days MISSOURI Missouri One Call System mo1call.com Web Ticket Entry: mo.itic. occinc.com Advance Notice: 2 working days Marks Valid: As long as visible 18 MARCH 2019 | UConOnline.com MONTANA Advance Notice: 2 business days Marks Valid: 30 days Montana Utilities Underground Location Center montana811.org Web Ticket Entry: mt.itic.occinc.com Montana One Call Center (Flathead and Lincoln Counties) montana811.com Web Ticket Entry: montana811.com/ new-locate-online-request/ NEBRASKA Nebraska 811 ne1call.com Web Ticket Entry: ne.itic.occinc.com Advance Notice: 2 business days Marks Valid: 10 business days NEVADA USA North 811 usanorth811.org Web Ticket Entry: usanorth811. herokuapp.com/users/new Advance Notice: 2 working days, with maximum of 28 calendar days Marks Valid: 28 calendar days or when marks are no longer reasonably visible NEW HAMPSHIRE New Hampshire Dig Safe System Inc. digsafe.com Web Ticket Entry: digsafeform. digsafe.com/cgi-bin/ menucgi.exe Advance Notice: 3 business days Marks Valid: 30 days NEW JERSEY New Jersey One Call nj1-call.org Web Ticket Entry: nj1-call.org/itic Advance Notice: 3 business days Marks Valid: 45 business days NEW MEXICO NM 811 nm811.org Web Ticket Entry: geocell. nm811.org/geocell/portal Advance Notice: 2 working days Marks Valid: 10 working days NEW YORK Advance Notice: 2 working days Marks Valid: 10 working days Dig Safely New York digsafelynewyork.com Web Ticket Entry: irth. digsafelynewyork.com/ IRTHOneCall New York 811 newyork-811.com Web Ticket Entry: ny.itic.occinc.com NORTH CAROLINA North Carolina 811 nc811.org Web Ticket Entry: nc811.org/ remote-ticket-entry.html Advance Notice: 3-12 working days Marks Valid: 15 working days NORTH DAKOTA North Dakota One Call ndonecall.com Web Ticket Entry: nd.itic.occinc.com Advance Notice: 48 hours Marks Valid: 21 calendar days from stated start time OHIO Ohio Utilities Protection Service oups.org Web Ticket Entry: oups.org/idig Advance Notice: 48 hours Marks Valid: As long as visible OKLAHOMA RHODE ISLAND Rhode Island Dig Safe System Inc. digsafe.com Web Ticket Entry: digsafeform. digsafe.com/cgi-bin/ menucgi.exe Advance Notice: 48 hours Marks Valid: 60 days, with contract exemptions SOUTH CAROLINA South Carolina 811 sc811.com Web Ticket Entry: geocall.sc1pups. org/geocall/portal Advance Notice: 3 business days, with 10 working days maximum Marks Valid: 15 working days SOUTH DAKOTA South Dakota 811 sdonecall.com Web Ticket Entry: sdgc. southdakota811.com/ geocall/portal Advance Notice: 48 hours Marks Valid: 21 working days from ticket start date, providing marks are visible TENNESSEE Oklahoma One-Call System Inc. okie811.org Web Ticket Entry: geoappv3. okie811.org/geocall/portal Advance Notice: 48 hours, with maximum of 10 business days Marks Valid: Depends on visibility Tennessee 811 tnonecall.com Web Ticket Entry: tnticketentry. korterraweb.com Advance Notice: 3 working days, with maximum of 10 working days Marks Valid: 15 calendar days OREGON TEXAS PENNSYLVANIA Texas 811 texas811.org Web Ticket Entry: txgc.texas811. org/geocall/portal Oregon Utility Notification Center digsafelyoregon.com Web Ticket Entry: or.itic.occinc.com Advance Notice: 2 days Marks Valid: Life of the project Pennsylvania One Call System Inc. pa1call.org Web Ticket Entry: pa1call.org/ pa811/Public/POCS_Content/ Products___Services/Web_ Ticket_Entry.aspx Advance Notice: 3-10 business days (construction phase); 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