Mississippi State Prison Inmate Locator 
Click Here
Mississippi County Jail Rosters
If marked NA then none are available then link will go to Sheriff or Jail
Adams Alcorn (NA) Amite (NA) Attala (NA)
Benton (NA) Bolivar (NA) Calhoun (NA) Carroll (NA)
Chickasaw (NA) Choctaw (NA) Claiborne (NA) Clarke (NA)
Clay Coahoma (NA) Copiah (NA) Covington (NA)
DeSoto (NA) Forrest Franklin (NA) George (NA)
Green (NA) Grenada (NA) Hancock Harrison
Hinds (NA) Holmes (NA) Humphreys (NA) Issaquena (NA)
Itawamba (NA) Jackson Jasper Jefferson (NA)
Jefferson Davis (NA) Jones Kemper Lafayette (NA)
Lamar Lauderdale (NA) Lawrence (NA) Leake (NA)
Lee Leflore (NA) Lincoln (NA) Lowndes
Madison Marion Marshall (NA) Monroe (NA)
Montgomery (NA) Neshoba (NA) Newton (NA) Noxubee (NA)
Oktibbeha (NA) Panola (NA) Pearl River Perry
Pike (NA) Pontotoc Prentiss (NA) Quitman (NA)
Rankin (NA) Scott Sharkey (NA) Simpson (NA)
Smith (NA) Stone (NA) Sunflower (NA) Tallahatchie (NA)
Tate (NA) Tippah (NA) Tishomingo (NA) Tunica
Union (NA) Walthall Warren (NA) Washington (NA)
Wayne (NA) Webster (NA) Wilkinson (NA) Winston (NA)
Yalobusha (NA) Yazoo    

Federal Inmate Locator
You can identify a federal inmate as they will always have five numbers, dash then three numbers 00000-000.