Usps Rates 2024. With these new rates, the maximum discount available for priority mail compared to the retail pricing you'd pay at. Washington, dc — today, the united states postal service filed notice with the postal regulatory commission (prc) of mailing services price changes to take effect jan.

Increases for all priority mail and ground advantage services. Washington, dc — today, the united states postal service filed notice with the postal regulatory commission (prc) of mailing services price changes to take effect jan.