| | Lowndes County | MS | 28087 | | Columbus, MS 18060 | Starkville-Columbus, MS 523 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LowndesCounty+Mississippi |
| | Noxubee County | MS | 28103 | | Columbus, MS 18060 | Starkville-Columbus, MS 523 | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=NoxubeeCounty+MS |
| | Oktibbeha County | MS | 28105 | | Starkville, MS 44260 | Starkville-Columbus, MS 523 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=OktibbehaCounty+MS |
| | Webster County | MS | 28155 | | Starkville, MS 44260 | Starkville-Columbus, MS 523 | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WebsterCounty+MS |