Does the mail run on dec 26th

In the United States, the United States Postal Service (USPS) typically observes the following holiday schedule:

In general, mail delivery and retail services are available on December 26th, but it's always a good idea to check with your local post office or USPS website to confirm their holiday hours and schedule.

Here are some specific notes to keep in mind:

Remember to check with your local post office or USPS website for specific information on holiday hours and schedules in your area.