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One Call Information

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Before you begin any excavation project, use your state One Call Center. This service is available to you, free of charge, so that you can proceed safely with any digging, trenching, blasting, excavating, drilling, plowing, boring, augering and grading. Never guess where a pipeline is located.

If you ever damage or hit a Northern Natu​ral Gas pipeline, no matter how minor the contact may seem, call Northern immediately so we can assess the damage. Before excavating, please call your state One Call Center.

Northern owns facilities in eleven states noted below.

Click on the state to be directed to that specific One Call website or call the toll free number provided if you plan to dig.

Illinois(800) 892-0123
Iowa(800) 292-8989
Kansas(800) 344-7233
Michigan(800) 482-7171
Minnesota(800) 252-1166
Nebraska(800) 331-5666​
New Mexico(800) 321-2537
Oklahoma(800) 522-6543
South Dakota(800) 781-7474
Texas(800) 344-8377
Wisconsin(800) 242-8511
Safety is in your hands. Every dig. Every time. Call 811 logo.
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Image of a CAUTION GAS PIPELINE sign.