Beginning Jan. 27, the cost of a 1-ounce, First-Class postage stamp will increase by one penny, to 46-cents.
This is the second price change for First-Class mail stamps since 2009.
Customers can stock up on Forever stamps at the 45-cent rate prior to the rate change.
The Postal Service also will also introduce a First-Class Mail Global Forever Stamp. The new stamp will allow customers to mail letters anywhere in the world for one set price of $1.10.
Prices for Shipping Services increase by 2.6 percent, with Priority Mail prices increasing an average of 6.3 percent. Delivery confirmation will be free on Priority Mail and Standard Post (formerly named Parcel Post).
Postcards increase 1 cent to 33 cents.
New domestic retail pricing for Priority Mail Flat-Rate products includes: regular envelope $5.60, legal-size envelope $5.75, padded envelope $5.95, small box $5.80, medium box $12.35, large box $16.85, and large APO/FPO/DPO box $14.85.
Express Mail prices increased on average by 5.8 percent. The Sunday/holiday premium remains at $12.50 for the fourth year in a row. No other charges apply. Express Mail Flat-Rate Boxes were introduced last year and remain unchanged at $39.95. Express Mail retail prices begin at $14.10. Express Mail Flat-Rate Envelope retail prices increase to $19.95.
The Postal Service receives no tax dollars for operating expenses and relies on the sale of postage, products and services to fund its operations.
For more information, visit www.usps.com.