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).
For questions on the budgeting process or treatment of area-specific O&M and Capital costs, contact the representatives below or call the Budget Hotline at 612-330-6077. Energy Supply Julie Linquist (NSPM O&M) 612-337-2249. Bill Wilcox David Mills (SPS O&M & ES Service Organization O&M) 806-378-2727.