Lyon County E9-1-1 Addressing Lyon County E9-1-1 Contact Information: E9-1-1 Coordinator: Ryan Wendt Email: ryanwendt@co.lyon.mn.us Phone: (507) 532-8212 Fax: (507) 532-8216 Address: Lyon County GIS Department 504 Fairgrounds Rd Marshall, MN 56258   Complete this form and send it to the E9-1-1 Coordinator to get an E9-1-1 Address. E9-1-1 Address Work Request Form E9-1-1 Signing Ordinance Lyon County uses GIS to assign and maintain rural addresses. Addresses are assigned using GIS tools that interpolate the address based on the driveway location along the road.