Applicability of the New Rules. The new cargo securement rules apply to the same types of vehicles and cargo as the old rules, covering all cargo-carrying commercial motor vehicles (as defined in 49 CFR 390.5) operated in interstate commerce.
Most commercially-produced postcards measure approximately 4.21 inches by 5.47 inches. Less commonly, smaller postcards are typically 3.5 inches by 5.5 inches, close to the minimum size the USPS allows.
Postcard Postage Rate Increase In June 2015 - Ways To Reduce Your Postcard Mailing Costs. Minimum size: 5 inches long by 3.5 inches high Maximum size: 6 inches long by 4.25 inches high. Los Angeles, CA-May 29, 2015 - The cost of mailing postcards is going up.The United States Postal Service has announced a postage rate increase from 34 to 35 cents each for postcards, effective June 1, 2015.But there are ways to reduce postage costs for postcard mailings.This new rate is for postcards with these dimensions:he United States Postal Service has announced a postage rate increase from 34 to 35 cents each for postcards, effective June 1, 2015. But there are ways to reduce postage costs for postcard mailings. This new rate is for postcards with these dimensions: