The U.S Postal Service (USPS) will raise their rates late next month. It includes:

STAMP – from 55¢ to 58¢

FLAT SINGLE-PIECE – from $1.00 to $1.16

PRESORT LETTERS – from 40.4¢ to 43.3¢

MONEY ORDERS – from $1.30 to $1.45

RETURN RECEIPT – from $2.85 to $3.05

CERTIFIED MAIL – from $3.60 to $3.75

The changes will take effect August 29, 2021. This is the second rate change with USPS to happen this year.