Context: Postage rates last went up in January 2024 ... Other increases starting Sunday include: Metered 1-ounce letters will cost 69 cents, up from 64 cents. Postcards sent domestically will ...

Between the 1970s and 2000, rates increased three to four times a decade, USPS data shows. Other approved increases include: Metered 1-ounce letters will cost 69 cents, up from 64 cents.