Standard sizes for mailpieces classified as postcards within the United States typically fall within a range of minimum and maximum measurements. A common size is 4 inches by 6 inches. Adhering to... Read more »
Standard dimensions for mailpieces classified as postcards within the United States typically fall between 3.5 x 5 inches and 4.25 x 6 inches. Larger or smaller mailpieces may incur different postage rates... Read more »
Standard postal regulations typically define acceptable dimensions for mailpieces to ensure efficient processing and delivery. For postcards, these dimensions often fall within a range that allows for automated sorting and handling. A... Read more »