How do i contact nicor gas in georgia? To get general information about Nicor Gas, contact our parent company by calling 404.584.4000, or write to P.O. Box 4569 Atlanta, GA 30302-4569. We’re here to help our customers with any of their questions or concerns from 7 a.m. to 6 p.m., Monday through Friday.)What does nicnicor gas do? Nicor Gas is a utilities company which provides natural gas to commercial and residential customers. This is a multi-location business. Need to find a different location? Need to file a complaint?How do i contact nicor about a possible leak or natural gas? Email our Customer Care Center at [email protected]. DO NOT email us regarding a possible leak or natural gas emergency, instead please call 888.Nicor4U ( 888.642.6748) away from the possible leak. Our customer service representatives are available to assist with gas emergencies 24/7, please call 888.Nicor4U (642.6748).How do i contact nicor4u? Just call 404.584.3873 888.Nicor4u ( 888.642.6748 ). We’re here 24 hours a day. Even with small projects, like planting trees and shrubs, it’s important to call us before you dig to make sure you’re not digging where there are gas lines or other utility lines. In Illinois dial 811 – or 800.892.0123 . – to reach the state's one-call system, JULIE.