The United States Postal Service First-Class mail is delivered to the recipient in three days or less. First-Class mail is used by most businesses when sending out their billing information. More »

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

The United States Postal Service offers delivery times of one to three days for shipments sent as first-class mail. First-class mail provides a cost-effective shipping option for envelopes and packages weighing up to 13 ... More »

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

According to the United States Postal Service, mail under 13 ounces takes two to three business days when shipped by First Class and Priority classes. When shipped Priority Express class, mail is delivered the next day. More »

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

The United States Postal Service offers delivery times of one to three days for shipments sent as first-class mail. First-class mail provides a cost-effective shipping option for envelopes and packages weighing up to 13 ... More »

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

The United States Postal Service offers mail delivery six days per week, with the exception of Sundays. Mail is delivered to both residential and business properties each day from Monday through Saturday. More »

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

The United States Postal Service delivers mail six days per week, including Saturday. In February 2014, the U.S. Congress proposed an amendment that requires the U.S. Postal Service to continue Saturday mail delivery unt... More »

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

The United States Postal Service guarantees local delivery of first-class mail should take between one and three days. Even though a letter is going just across town, it won't necessarily arrive at its destination overni... More »