Usps Priority Mail Rates 2024 Chart. Priority mail, including priority mail flat rate shipping products, has fast shipping times (1, 2, or 3 business days) with flexible prices. The prc has approved the usps rate change scheduled to take effect january 21st, 2024.
Usps will implement rate increases on priority mail, ground advantage, media mail, and signature confirmation services in july 2024. Priority mail flat rate prices are increasing by up to $1.18.