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).
Postage Rates; First Class Mail Letter (1 oz.) - Retail/Post Office Rate* $0.50: First Class Mail Letter (1 oz.) - Metered Mail/Stamps.com Rate: $0.47: First Class Mail Letter - each additional ounce: $0.21: Postcard: $0.35: First Class Mail Flat (1 oz.) $1.00: First Class Mail Flat - each additional ounce: $0.21: First Class Mail International Letter: $1.15