First Class Postage Rates 2024 Per Ounce. Here is an overview of the new postage prices for first class mail, sorted by price and maximum weight: The postal regulatory commission (prc) has approved the next usps postage rate increases, which will take effect on sunday, july 14, 2024.

Learn about the 2024 postage price change for usps services and products, and how it affects domestic and international mail. Postal service is raising prices starting on july 14, including the cost of.