All Bank Branches in 75156 Leave a Comment / By admin / October 26, 2018 The following banks have branches in 75156: Prosperity Bank Prosperity Bank-Gun Barrel 2 Branch Southside Bank Southside Bank-Gun Barrel City Branch Related posts: Southside Bank-Gun Barrel City Branch Prosperity Bank-Gun Barrel 2 Branch All Bank Branches In Gun Barrel City, Texas First State Bank-Gun Barrel City Branch