SOSA adalah kecamatan yang terletak di:
SOSA memiliki 34 desa/kelurahan
| # | Desa/Kelurahan | Kode Pos |
|---|---|---|
| 1 | AEK TINGA |
22765 |
| 2 | AER BALE |
22765 |
| 3 | AMPOLU |
22765 |
| 4 | BATU GAJAH |
22765 |
| 5 | BONAN DOLOK |
22761 |
| 6 | GUNUNG BARINGIN |
22765 |
| 7 | GUNUNG TUA |
22765 |
| 8 | HANDIO |
22765 |
| 9 | HAPUNG |
22765 |
| 10 | HAPUNG TOROP |
22765 |
| 11 | HARANG JAE |
22765 |
| 12 | HARANG JULU |
22765 |
| 13 | HURUNG JILOK |
22765 |
| 14 | HUTA IMBARU |
22765 |
| 15 | HUTA RAJA LAMA |
22765 |
| 16 | JANJI RAJA |
22765 |
| 17 | LUMBAN HUAYAN |
22765 |
| 18 | MANANTI SOSA JULU |
22765 |
| 19 | MANDIAN |
22765 |
| 20 | MONDANG |
22765 |
| 21 | PARAPAT |
22765 |
| 22 | PARAU SORAT |
22761 |
| 23 | PASAR UJUNG BATU |
22765 |
| 24 | PASIR JAE |
22765 |
| 25 | PASIR JULU |
22765 |
| 26 | RAO RAO DOLOK |
22765 |
| 27 | ROBURAN |
22765 |
| 28 | SIBORNA (SIBORIS BUNUT) |
22765 |
| 29 | SIGINDUANG |
22765 |
| 30 | SISOMA |
22765 |
| 31 | SUNGAI JIOR |
22765 |
| 32 | TANJUNG |
22765 |
| 33 | TANJUNG BALE |
22765 |
| 34 | UJUNG BATU |
22765 |