Join Now Junior Auxiliary of Rankin County Non-ProfitCivic Organizations Junior Auxiliary of Rankin County Visit Website Request Info P.O. Box 1484 Brandon, MS 39043 (601) 706-9727 About Map About Junior Auxiliary of Rankin County is a non-profit organization that encourages members to render charitable services which are beneficial to Rankin County, with particular emphasis on children. What's Nearby? Distance: 5 10 15 20 25 50 mi.