2024 Postage Rates For Large Envelopes 2024. Printed card (postcards containing printed communication) 6.00. The baseline postage rate to mail a flat/large envelope has.

Explore the usps postage rate shifts for postcards, flats, and letter sizes in 2024, and optimize your mailing strategies accordingly to. The postage rate for postcards has increased from 53 to 56 cents.