The changes will raise overall Priority Mail service prices approximately 3.5 percent and overall Priority Mail Express service prices 1.2 percent, while Mailing Services product prices will rise approximately 1.7 percent. Priority Mail padded flat-rate envelope: $8.40 (current), $8.55 (new).

Priority Mail legal flat-rate envelope: $8.05 (current), $8.25 (new).Priority Mail regular flat-rate envelope: $7.75 (current), $7.95 (new).Army/Air Post Office and Fleet Post Office large flat-rate box: $19.60 (current), $20.40 (new).Priority Mail large flat-rate box: $21.10 (current), $21.90 (new).Priority Mail medium flat-rate box: $15.05 (current), $15.50 (new).Priority Mail small flat-rate box: $8.30 (current), $8.45 (new).First-Class Mail Flats (1 ounce): $1 (no change from current price).First-Class Mail letters (1 ounce): 55 cents (no change from current price).First-Class Mail domestic postcard stamps: 35 cents (current), 36 cents (new).First-Class Mail letters (metered 1 ounce): 50 cents (current), 51 cents (new).First-Class Mail letters (additional ounces): 15 cents (current), 20 cents (new).Here are the current and new retail prices: Several Postal Service price changes will take effect Sunday, Jan. Lynell Alexander, a retail associate at Pocoshock Creek Branch in Richmond, VA, serves a customer last fall.

Usps priority mailÂ® flat rate envelope