Monday marks Columbus Day – the day when explorer Christopher Columbus discovered the Americas back in 1492. The day is a federal holiday in the U.S. that has been recognized since 1937 but has been celebrated since the 18th century.

However, some states - Minnesota, Alaska, Maine, Louisiana, Oregon, New Mexico, Nevada, and Vermont - celebrate Indigenous Peoples’ Day instead of Columbus Day, a day that is dedicated to the contributions of Native Americans. South Dakota recognizes Native American Day, and Hawaii celebrates Discoverers’ Day.

In either case, the federal holiday has some businesses and government entities closing their doors for the day. Here’s who is open and who is close on Columbus Day.

USPS

The U.S. Postal Service is closed on Columbus Day, according to its holiday schedule. There will be no mail delivery on Monday, and all office locations will be closed.

UPS and FedEx

UPS and FedEx will continue their pickup and delivery services on Monday.

Banks

Most banks observe Columbus Day and will be closed for the federal holiday.

Stock Markets

Both the New York Stock Exchange and Nasdaq will be open on Columbus Day.

Government Offices

Because Columbus Day is a federal holiday, most federal and state government offices will be closed, but some county officers may still be open. It is best to check with your local government location.

Courts

All courts will be closed for the day on Monday in recognition of Columbus Day.

Schools

Most schools will be closed on Monday in observation of Columbus Day.

Libraries

Like schools, most public libraries will be closed on Monday in recognition of the federal holiday on Monday.

Garbage Services

Most garbage services are not running on Monday due to the federal holiday.

What’s Open?

On Monday, most grocery and retail stores will be operating as normal as well as national parks and public transportation services.

Columbus Day 2017
The statue of Christopher Columbus at Columbus Circle in front of Union Station in Washington, D.C., Oct. 6, 2007. Getty Images/ MANDEL NGAN