Davao de Oro (Compostela Valley) has 237 barangays across 11 municipalities. 159 barangays (67%) are connectivity dead zones.
| Municipality | Barangays | Dead zones |
|---|---|---|
| Compostela | 16 | 9 (56%) |
| Laak (San Vicente) | 40 | 40 (100%) |
| Mabini (Doña Alicia) | 11 | 5 (45%) |
| Maco | 37 | 22 (59%) |
| Maragusan (San Mariano) | 24 | 21 (88%) |
| Mawab | 11 | 5 (45%) |
| Monkayo | 21 | 9 (43%) |
| Montevista | 20 | 14 (70%) |
| Nabunturan (Capital) | 28 | 14 (50%) |
| New Bataan | 16 | 14 (88%) |
| Pantukan | 13 | 6 (46%) |