FY1977, Congress returned to the use of full-year continuing resolutions for more than a decade. For each of the 11 fiscal years following FY1977, covering FY1978-FY1988, Congress enacted a. full-year continuing resolution covering at least one regular appropriations act.
1 For example, a one-year small mailbox can cost $125 to $150, while a large mailbox for the year can cost $250 to $300. 2  By the month, plan on budgeting anywhere from $10 to as much as $30 to rent a UPS mailbox.
The Cost of Renting a PO Box. The cost of a USPS PO box in your area depends on a number of factors, including your location, the size of the box, and the rental period.In some areas, a small box can be as little as $14 for a three month period. In other areas, the same box can be twice that amount.As the boxes get larger, the cost gets higher.The largest box size (which is pretty big) is nearly 10 times the price of the smallest box.n some areas, a small box can be as little as $14 for a three month period. In other areas, the same box can be twice that amount. As the boxes get larger, the cost gets higher. The largest box size (which is pretty big) is nearly 10 times the price of the smallest box.