USCIS has extended the temporary suspension of routine face-to-face services at all of their offices through May 3, 2020. These routine services include all interviews and naturalization ceremonies. USCIS offices will begin to re-open on May 4unless the public closures are extended further.
Press Release
USCIS Temporary Office Closure Extended Until At Least May 3, 2020
April 1, 2020