How do i contact public health in montgomery county? Public Health - Dayton and Montgomery County 117 S. Main Street, Dayton, OH 45422 Phone: (937) 225-5700 Fax: (937) 496-3070Where is the montgomery county dmv located in montgomery ohio? Montgomery County DMV hours, appointments, locations, phone numbers, holidays, and services. Find the Montgomery County OH DMV office near me. Dayton BMV License Agency 451 West 3rd Street Dayton OH 45422 937-496-3352. Dayton BMV License Agency 104 West Spring Valley Pike Centerville OH 45458 937-435-5970.How to contact the montgomery county sheriffs office? The Montgomery County Sheriff also provides a helpful inmate locator tool online to help members of the public find persons in custody. The locations and contact information of the various courts in Montgomery County are: Phone: (937) 687-9099. Fax: (937) 687-7119