third-class mail

Issa would allow him to move forward with five-day delivery of letters and second-and third-class mail but continue delivering packages six days for at least five years.

During the past year, 63.7 billion pieces of third-class mail found their way into mailboxes across the nation.

Third-class mail is now a nearly 4 million-ton colossus that accounts for 39% of all U.S. postal volume.

First-class postage will go from 25 cents to 30 cents, while rates for second- and third-class mail -- the mainstay of catalog distributors and magazine publishers -- will soar as much as 33%.

Postal Service, which is still the only organization legally allowed to deliver first- and third-class mail.