As a federal holiday, government offices, schools and courts are closed for Thanksgiving on Long Island.

But not all services are shuttered and some retail locations remain open for last-minute shoppers.

Here's what's open and closed for Thanksgiving on Long Island:

Government buildings

Administrative buildings in Nassau and Suffolk counties, including courts and the district attorney’s offices, are closed. Courts are only open for arraignments. State and town hall buildings are closed as are all federal facilities.

Schools

All public schools on Long Island are closed and virtually all will remain closed on Friday and will remain open on Monday.

Mail

The United States Postal Service is closed. No mail will be delivered except Priority Express Mail.

Financial markets

The NYSE and

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