To stay informed about post office hours, collection times, and services on Tax Day, you can contact USPS at 800-ASK-USPS. Be careful of mistakes. Before dropping your tax return envelope at the ...

Jan. 20 is both a federal holiday and Inauguration Day. Find out if the USPS will be open on Martin Luther King Jr. Day and if the mail will run.

The same hours will be in effect in Fort Collins at 301 S. Howes St., Room 302. The Grand Junction office ... Day, according to the U.S. Postal Service. The two primary locations for Denver residents ...