Autofill (Keep Full)

Auto Fill is a delivery option in which we fill your propane tank automatically, as needed, based upon our records of your historical propane usage and prevailing weather conditions.

Will Call

Will Call is a delivery option that allows customers control of and responsibility for ordering their propane when needed.

Budget Billing

Our Budget Billing (Monthly Payment Plan) program is designed to take the stress out of paying for winter heating expenses.

Low Income Energy Assistance Program (LIEAP)

For qualified Montana individuals and families, cash assistance is available to help pay for winter heating costs.

Winter PreBuy Program

406 Propane’s PreBuy program allows customers to save money and avoid the unpredictability of winter propane price fluctuations by prepaying for their winter propane needs at a set price per gallon