Usps Postal Rates 2024 Media Mail. The postal regulatory commission (prc) has approved the next usps postage rate increases, which will take effect on sunday, july 14, 2024. Pending approval, these new postage rates are set to become.
See forever postage stamp prices and other postage rates. In addition to the enclosures and additions listed in 4.2 for media mail and 5.4 for library mail, any printed matter that is mailable as usps marketing mail may be included loose.