Monday expected to be busiest day at the post office
The Postal Service predicts that Monday, December 14th will be the busiest mailing and shipping day for holiday packages, letters and cards.
The busiest mailing day is also expected to be the busiest day online, with more than seven million customers predicted to visit the USPS website.
For delivery before Christmas via standard shipping, the Postal Service recommends Tuesday, December 15th as a deadline.