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).
The current First-Class Mail postage stamp rate for standard letters is 50 cents for the first ounce. Every additional ounce is 21 cents. Letters that consist of four or five standard stock pages of paper in a legal-sized envelope weigh approximately an ounce.