Postal Stamps For Mailing 2024. From 1 january 2024, these two weight. International postal settlement rates have progressively increased over the years due to annual fee revisions made by the universal postal union (upu).

On september 16th, usps adjusted priority mail and ground advantage rates, resulting in increased shipping and mailing costs for certain zip codes. International postal settlement rates have progressively increased over the years due to annual fee revisions made by the universal postal union (upu).