the cost to mail a letter
The U.S. Postal Service announced an increase in postal rates that were approved by the Postal Regulatory Commission. The new rates begin Sunday, January 22, 2017, at 12:01 AM. The cost to send a 1-ounce USPS Certified MailÂ® letter with Return Receipt (Green Card) will be $6.59. If you use Electronic Delivery Confirmation, the cost can be reduced to $4.61. Additional options such as Return Receipt Electronic Signature in PDF format USPS has increased costs to $1.45.