Usps Rates 2024 Calculator 2024. First class presort flats (automation) go up (for first ounce).011 to $1.245 | 0.5% increase. The postal regulatory commission (prc) has approved the next usps postage rate increases, which will take effect on sunday, july 14, 2024.

Over the past two years, the annual inflation rate as measured by the personal. Detailed overview of usps rate increases priority mail: