Contact Us Please feel free to contact MCID Washington by mail: 1636 Connecticut Avenue, NW 3rd Floor Washington, DC 20009 Telephone: 202-667-6243 or 800-413-9845 Facsimile: 202-667-6240 MCID Jackson can be reached at: 1225 Robinson Street Jackson, Mississippi 39203 Telephone: 601-979-8648 Facsimile: 601-979-8657