First Class Stamp Price 2025. When does the postage increase take place? All stamps.com plans have access to usps commercial rates where offered, plus additional savings on domestic and international priority mail®, priority mail express®, and ground.

All stamps.com plans have access to usps commercial rates where offered, plus additional savings on domestic and international priority mail®, priority mail express®, and ground. For postal articles (other than letters, letter cards, and post cards) for the first fifty grams or fraction thereof.