(KSL News) -- It's not just shopping, but mailing you now have to worry about.
About 20-billion cards, letters and packages will be mailed nationwide.
The busiest mailing day is expected to be December 15th, while Dec. 17 should be the largest delivery date.
HOLIDAY MAIL DEADLINES
- OVERSEAS-MILITARY December 11
- INTERNATIONAL- December 15
- HOLIDAY CARDS-December 20
- IN-STATE- December 22 If you use first-class and priority mail, the -deadline for Christmas delivery to most overseas military locations is Dec. 11 and Dec. 15 to most international locations. Mail all holiday cards, letters and packages to out-of-state U.S. locations by Dec. 20. Mail in-state mail and packages by Dec. 22.