Some facilities are open and some services are available during the federal government shutdown:
U.S. Postal Service: Mail will be delivered.
Passport offices: Open, but may be closed if located in a government building affected by the shutdown.
Public schools: Open, but Education Department has stopped most of its operations.
Federal courts: Could operate with reserve funds.
Federal prisons: Federal prisons are staffed.
Food inspectors: Most USDA inspectors of meat and poultry are working. However, FDA inspectors of seafood and dairy products are not working.
Social Security, Medicare, Medicaid: Benefits are being paid, but new applications may not be processed untiil the government reopens.
Immigration services: Businesses are not able to check the legal immigration status of prospective employees.
SNAP: Supplemental Nutrition Assistance Program benefits continue in October.
Airports: Air travel continues. Air traffic controllers and baggage screeners are considered essential.
Patent and Trademark Office: The Department of Commerce is maintaining patent and trademark application processing.
Military: Certain members of the U.S. military will be paid during the shutdown.
Veterans disability claims: VA facilities are open but benefit programs overseen by te VA will probably be affected.
Internal Revenue Service: Tax filers facing an Oct. 15 deadline will find IRS phone lines dead.
WIC program: The program that provides food to low-income women and children will be out of funds.
Federal websites: Many government websites will be down or have limited functionality.
Government contractors: May be affected if they work in a federal building or need federal worker assistance, or if they need additional funding to continue.
Amtrak: Amtrak officials say trains continue to run.
Kennedy Center: Will continue its non-appropriated functions and honor all non-appropriated fund contracts.
Paid museums: Private museums remain open.
National parks: All national park facilities and grounds are closed.
National Zoo: The zoo is closed and none of the live-animal cameras will be broadcast.
U.S. Capitol: Public tours are suspended.
Free museums: The Smithsonian and Holocaust museums are closed.
National Archives: All operations are funded by annual appropriations are suspended.