PostNet Billings3031 Grand Ave Ste 100 Billings, MT 59102 USMain Number(406) 294-7447(406) 294-7447Get DirectionsCenter InformationDay of the WeekHoursMon9:00 AM - 6:00 PMTue9:00 AM - 6:00 PMWed9:00 AM - 6:00 PMThu9:00 AM - 6:00 PMFri9:00 AM - 6:00 PMSat10:00 AM - 2:00 PMSunClosed