Abstract: A mailbox support structure device, an associated kit and method of using same are disclosed. The mailbox support structure device includes the interconnected components of a telescoping vertical post member, a telescoping horizontal post member and a pair of locking pins. The mailbox support structure device may be lengthened horizontally and vertically to overcome snow piling up at or near the device. The kit includes the unassembled components of the device. The method of using same includes the steps of adjoining, affixing, boring, cutting, digging, drilling, enlarging, expanding, inserting, locking, obtaining, piercing, placing, pouring, screwing, and slipping.