The U.S. Postal Service predicts the busiest mailing day this holiday will be Dec. 16.
The postal service expects it will handled more than 600 million pieces of mail that day. Between Thanksgiving and Christmas, the postal service will handle more than 15 billion pieces of mail, averaging about 545 million pieces each day.
Following the busiest mailing day, the busiest delivery day is expected to be Dec. 18 and the busiest day for holiday packages will be Dec. 19, according to the U.S. Postal Service. The postal service delivers mail to more than 152 million addresses nationwide.
"When mailing holiday cards and gifts, don't procrastinate," said Belleville Postmaster John Sertich. "Mailing early in the season ensures timely delivery and gives the customer peace of mind that their package is safely on its way to its destination in time for Christmas."
Recommended mail-by dates for Christmas arrival within the U.S. are:
* Dec. 20 -- First-Class Mail
* Dec. 21 -- Priority Mail
* Dec. 23 -- Priority Mail Express
Recommended mail-by dates for Christmas arrival to most Military APO/FPO/DPO destinations are:
* Dec. 10 -- APO/FPO Military Priority Mail and First-Class Mail
* Dec. 17 -- Priority Mail Express Military Service
Recommended mail-by dates for Christmas arrival to most International destinations are:
* Dec. 10 -- Priority Mail Express International Service
* Dec. 16 -- Global Express Guaranteed Service
The dates listed are the earliest deadlines for international and military mail. For a complete list of shipping deadlines, visit usps.com/shippingdates/.