Post offices gear up for busiest mailing dayPosted: Updated:
(AP) - Post offices are gearing up for the biggest mailing day of the year when most people send out their Christmas cards.
Today is the day when the United States Post Office sees the highest surge of mailings. More than 800 million pieces of mail are expected to go through the system today.
The last day to send holiday cards and gifts by Christmas weekend is Tuesday, according to USPS.