07: Where can I drop off my mail-in ballot in person within Shelby County in Texas?Source: http://www.co.shelby.tx.us/page/shelby.ElectionsJENNIFER FOUNTAIN, County Clerk, 124 Austin St., Center, Tx 75935 ← 07: Where can I drop off my mail-in ballot in person within Panola County in Texas? → 07: Where can I drop off my mail-in ballot in person within Stonewall County in Texas?