How Do You Contact the IRS in Kansas City, Missouri?

It is possible to contact the IRS in Kansas City, Missouri, by calling 816-966-2840, Monday through Friday, from 8:30 a.m. to 4:30 p.m., says the Internal Revenue Service. Another option is to send a letter to Union Station, 30 W. Pershing Rd., Kansas City, MO, 64108.