Search results with tag "Guide to usps postal discounts"

Guide to USPS Postal Discounts - Buffalo Printing, Direct ...

Guide to USPS Postal Discounts - 3 - Flats can also be mailed as First-Class Mail, Periodicals or Standard Mail and are distinguished by their larger size and weight. These pieces can be up to 15 by 12 inches and .75 inches thick . Postcards qualify for First-Class Mail rates only, starting as low as $0. 229. Postcard-size pieces sent via

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