State Government in Auburn, IN State of Indiana Family & Social Services Administration568 N Grandstaff DrAuburn, IN, 467068004030864Department Of Human ServicesGovernmentUsps United States Post Office Montpellier Main Office State of Indiana936 W 15th StAuburn, IN, 467062609250124Department Of Human ServicesGovernmentUsps United States Post Office Montpellier Main Office Show MoreSee AlsoJustice Courts