Find How to Call and Contact NICOR Customer Service Phone Number - 2022
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How to Call and Contact NICOR Customer Service

1-888-642-6748

Nicor Gas has provided safe, reliable and cost-effective natural gas services for more than 50 years. The company serves more than two million customers in a service territory that encompasses most of the northern third of Illinois, excluding the city of Chicago.

1-888-642-6748

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