How do i contact georgia natural gas customer service? Contact Georgia Natural Gas®. GNG Customer Service Phone Number: (770) 850-6200, Toll Free (877) 850-6200 or Email Us at [email protected]. PAY MY BILLSIGN UP FORHow do i sign up for service with gas south? Gas South serves residential and business customers in the Atlanta Gas Light service territory. Inpidual eligibility is based on credit screening and we don't charge deposits. You can sign up for service online or by calling us at 1.877.332.5442 (for residential service) or 1.877.270.3790 (for business service).
877-472-4932 For residential transfers, fill out our transfer form or call 1-877-472-4932 (residential). Business transfers should call us at 1-866-549-7903.