Can you write on Flat Rate envelope? Stores & Services 11 August 2022 If you mean “can I write messages on it like Happy Birthday” then Yes you can. Priority Mail is First…
How much is a Flat Rate postage stamp? Stores & Services 2 August 2022 USPS Postage Rates USPS Mail Class (effective Sunday, January 9, 2022) Postage Rates First Class Mail Letter (1 oz.) -…
Can I use Forever stamps on a flat rate envelope? Stores & Services 27 July 2022 The U.S. Postal Service will offer Forever postage on Priority Mail flat rate packaging beginning April 17, 2011. Forever postage…
