The sufficient prepayment of mailing fees is essential for successful delivery of any mailpiece, including postcards. Without appropriate prepayment, the postcard may be returned to sender, delayed, or even discarded. For example,... Read more »
The cost of mailing a postcard depends primarily on its destination, size, and shape. Standard-sized postcards traveling within the United States typically require a different rate than those sent internationally. Oversized or... Read more »
