Oklahoma City, OK Field Office and Application Support Center
Sioux Falls, SD Application Support Center
Omaha, NE Field Office
Additionally, offices will be closed on December 25, 2009 and January 1, 2010.
If you plan to visit a USCIS office in an area affected by the severe weather or you believe may be affected by severe weather, please call the
National Customer Service Center (NCSC): 1-800-375-5283
to ensure the office is open for business and for further instructions on rescheduling your appointment if the office is closed.
National Customer Service Center1-800-375-5283TDD for the Hearing Impaired1-800-767-1833