And USPS says to follow these deadlines to make sure your holiday goodies arrive at their destinations on time. The major shipping dates ... Service Dec. 18 First-Class Mail® Service Dec. 18 ...

Dec. 18 First-Class Mail Service: Dec. 18 Priority Mail Service: Dec. 19 The recommended shipping dates for items sent ...

First-class stamps prices are not changing at this time, but shipping services such as Priority Mail services, Priority Mail Express services, USPS Ground Advantage and Parcel Select will ...