Awasome Letter Rate: Understanding Postal Rates For Effective Mailing Ideas. Web for letters up to 3.5 ounces, the cost starts at $0.55 per letter. Web the postage rates are now approved:
Web please select from the following options. Web the postage rates are now approved: Web usps postal rates prices are effective as of august 29, 2021.* *the 2021 prices, approved by the postal service board of governors,.