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).
Call the toll-free hotline at (800) 282-0880 during regular business hours (7:30 a.m. to 5:00 p.m.) Monday through Friday. If you're having trouble managing your home energy costs, we can help. Below is a list of programs that improve your home's efficiency and help manage home energy bills.