2024 Postage Rates Metered Mail Rates

2024 Postage Rates Metered Mail Rates. You can send up to 4 lbs using priority mail international flat rate envelopes and small flat rate boxes, and up to 20 lbs. Washington, dc — today, the u.

Pending approval, these new postage rates are set to become effective from january. Using medium and large flat rate boxes.