ON-LINE TAX WITHHOLDING AUTHORIZATION Tax Assistance Centers: Regional phone numbers for the Missouri Department of Revenue: Cape Girardeau 3102 Blattner Dr - Suite 102 Cape Girardeau, MO 63702 Phone: (573) 290-5850 Fax: (573) 290-5842 E-mail: capetax@dor.mo.gov Columbia 1500 Vandiver Dr - Room 113 Columbia, MO 65202 Phone: (573) 884-3814 Fax: (573) 884-3844 E-mail: columbiatax@dor.mo.gov Jefferson City 3237 W Truman Blvd - Suite 100 Jefferson City, MO 65109 Phone: (573) 751-7191 Fax: (573) 522-3318 E-mail: jctax@dor.mo.gov Joplin 1110 E 7th St - Suite 400 Joplin, MO 64801 Phone: (417) 629-3070 Fax: (417) 629-3076 E-mail: joptax@dor.mo.gov Kansas City 615 E 13th St - Room 127 Kansas City, MO 64106 Phone: (816) 889-2920 Fax: (816) 889-2876 E-mail: kctax@dor.mo.gov Springfield 149 Park Central Square - Room 313 Springfield, MO 65806 Phone: (417) 895-6474 Fax: (417) 895-6233 E-mail: sprtax@dor.mo.gov St. Joseph 525 Jules - Room 314 St Joseph, MO 64501 Phone: (816) 387-2230 Fax: (816) 387-2008 E-mail: stjtax@dor.mo.gov St. Louis 3256 Laclede Station Rd - Suite 101 Maplewood, MO 63143 Phone: (314) 877-0177 Fax: (314) 877-0198 E-mail: stltax@dor.mo.gov Web Site dor.mo.gov