Nicor Gas Payment, Login, Customer Service

Updated July 5, 2022 – Below you will find the key information you need as a Nicor Gas customer to access your account online, make payments, and reach customer service for further assistance.

Online Account Access

Customer Service – Help & Pay By Phone

  • The number for phone payments is 888-642-6748.

Payment Address

Nicor Gas
P.O. Box 5407
Carol Stream, IL, 60197-5407

In Person

There are many places in the Chicago area that will take your payment — for a fee. Go here to see a list.