07: Where can I drop off my mail-in ballot in person within Coryell County in Texas?Source: https://www.coryellcountytax.com/#/elections/electioncontact201 S. 7th St., Gatesville TX 76528 ← 07: Where can I drop off my mail-in ballot in person within Brown County in Texas? → 07: Where can I drop off my mail-in ballot in person within Crane County in Texas?