Holiday Mailing

A tray of mails is seen at the United States Postal Service Processing and Distribution Center on December 16, 2013 in San Francisco, California. An estimated 6 million customers are expected to visit post offices nationwide on what the Postal Service anticipates to be the busiest day of the holiday season as they predict to process 607 million pieces of mail, up from the average 545 million pieces. (Photo by Stephen Lam/Getty Images)

Monday To Be Busiest Mailing Day Of The Year

According to Postal Service spokeswoman Maureen Marion, more than 640 million pieces of mail will be dropped off at post offices, or put in mailboxes on Monday.

12/15/2014

A woman mails a package as the Christmas deadline looms. (CBS)

Busiest Day Of The Year At The Post Office

If you’re heading out to the post office today to mail your Christmas cards, expect some big lines; the U.S. Postal Service expects Monday to be the busiest mailing day of the year, with more than 1.7 million cards mailed in Chicago alone.

CBS Chicago–12/19/2011