For domestic and international mailing rates, USPS.com has the most up-to-date rate charts. Any recent changes are listed, as well as retail and commercial pricing for Priority Mail, First class, Express and many other m... More »

As of October 2014, the postage rate to mail a first-class, letter-size envelope through the United States Postal Service is 49 cents for the first ounce. For large first-class envelopes, the rate is 98 cents for the fir... More »

The U.S. Postal Service determines insurance rates according to the sender's declared value of the item, reports USPS. The maximum insurance liability for postage items is $5,000 as of 2015. Some postal services include ... More »

www.reference.com Business & Finance Mail & Shipping

The U.S. Postal Service bans the mailing of cigarettes, alcoholic beverages, perfume, plant materials and potentially hazardous or explosive materials to any international destination, as of 2015. This includes postage t... More »

www.reference.com Business & Finance Mail & Shipping Postal Services

According to Stamps.com, the postage rate in 2011 for a 1-ounce First Class letter was 44 cents. While some postage rates were raised, the First Class letter rate remained the same. More »

www.reference.com Business & Finance Mail & Shipping Postal Services

In 2010, the postage rate for a 1-ounce domestic letter was 44 cents. The 44-cent charge was instituted on May 11, 2009 and lasted until Jan. 22, 2012. More »

www.reference.com Business & Finance Mail & Shipping Postal Services

The United States Postal Service regularly raises its rates to account for inflation and increased costs. It raised postage rates 20 times during the 20th century. Since 2006, the USPS has raised the rate for all types o... More »

www.reference.com Business & Finance Mail & Shipping Postal Services