1. Make sure your company name choice is available. Your company name must include the correct corporate or LLC identifier: Corporations: Corporation, Incorporated or an abbreviation. LLCs: Limited Liability Company or an abbreviation.
1 Each additional ounce will cost $0.22 (up one cent from 2014). 2  The discounted âMetered Mailâ category for First Class Mail Letters (1 oz.), which includes online postage providers and postage meters, will increase from $0.48 to $0.485 in 2015. The discounted âMetered Mailâ category for First Class Mail Letters (1 oz.), which includes online postage providers and postage meters, will increase from $0.48 to $0.485 in 2015. 2  First Class Flats (1 oz.) will stay the same at $0.98 in 2015. 3  Each additional ounce will cost $0.22 (up one cent from 2014).
Starting today, the cost mailing a one-ounce first-class letter has gone up 2 cents - from 47 cents to 49 cents. It's the first time the U.S. Postal Service has increased stamp prices since January 2014 when the cost of a stamp rose from 46 cents to 49 cents. Then, in April 2016, the cost of a stamp dropped - the first such reduction in almost a century - from 49 cents to 47 cents. Now the cost is back up.