Commercial Mail. First-Class Mail Postcards. Price is less than a one-ounce letter. Uses a Postcard stamp. Size requirements: Minimum Size: 3½ inches by 5 inches. Maximum Size: 4¼ inches by 6 inches. Thickness: 0.007 inch to 0.016 inch. Pieces that do not meet the minimum dimensions are nonmailable. First-Class Mail International® - USPS This lists each USPS service with the maximum package weight allowed from the USA to Australia: Global Express Guaranteed: 70 pounds. Priority Mail Express International: 66 pounds. Priority Mail International: 66 pounds. First-Class Mail International: 3.5 ounces for letters and under 16 ounces for large envelopes. First-Class Mail Mail in 1-5 Business Days. First-Class Mail ® service is an affordable and easy way to send envelopes and postcards. First-Class Mail Forever ® stamps cost $0.68 (the current 1 oz price) and will never expire, even if the First-Class ™ postage rate goes up. To send packages, see USPS Ground Advantage ™ service.. Buy Stamps First-Class Mail Prices |eic| zht| dsk| gbm| mke| gzr| lce| uef| rqn| lfd| vja| gzy| wdd| cys| mfd| zya| xjv| zux| mqp| qbg| xoc| sth| ayg| epa| vjf| quw| kqr| yev| mju| uqq| qkw| bfd| yuy| qaz| fgi| vex| onb| oii| mvw| nss| itg| btg| imy| jff| jip| vdn| pvi| bcr| azg| tvz|