Office Address: 201 Townsend Street Suite #4200 Lansing, MI 48933 Mailing Address: Senator Michael D. MacDonald P.O. Box 30036 Lansing, MI 48909-7536 By Phone: (517) 373-7315 By Fax: (517) 373-3126 By Email: In Person: If you are planning to be in the Lansing area and would like to stop by my office, it is located in room 4200 of the Connie Binsfeld Building in Lansing. I may not be in the office, but my staff will be there to welcome you and answer any questions you may have. For a map of downtown Lansing with the location of the Capitol, click here.