It does say unlimited m2m calls, however if you make them after day hours, you get charged the minutes against your night and weekend minutes, but if you do it during the day they don't charge them against your anytime minutes.
The customer support phone number of Energy Assistance Minnesota is +1 507 328-6508/ 800-889-4970 (Click phone number to call).
And here are some reasons that other Atmos Energy customers called 800-460-3030 recently:  1 I need to disconnect asap because I moved an I smelled gasGetHuman-tyeshiad21d agoRemove gas meter at 4503 Live Oak, Dallas, TXGetHuman-tglick22d agolooking for my accountGetHuman-lisagarc2 mons ago.