a hole or trench in Oklahoma?
Our State Law Requires you to
( Click on the blue link above to view the law as posted on the One-Call web site. )
First Call
The
Oklahoma One-Call System, Inc.
You can simply click on the above logo to visit the Oklahoma One-Call Web Site or type in www.callokie.com into your browser.
You can fill out online forms for locates directly on the site.
(1-800-522-6543)
The call center is open 24 hours a day, 7 days a week.
Mark Your Construction Area
APWA UNIFORM COLOR CODE for marking underground utility lines
White -
Proposed Excavation
Pink -
Temporary Survey Markings
Red - Electrical
Power Lines, Cables, Conduit and Lighting Cables
Yellow - Gas,
Oil, Steam, Petroleum or gaseous Materials
Orange -
Communications, Alarm or Signal Lines, Cables or Conduit
Blue - Potable
Water
Purple -
Reclaimed Water, Irrigation and Slurry Lines
Green - Sewers
and Drain Lines
