Davao del Sur has 415 barangays across 11 municipalities. 190 barangays (46%) are connectivity dead zones.
| Municipality | Barangays | Dead zones |
|---|---|---|
| Bansalan | 25 | 14 (56%) |
| City of Digos (Capital) | 26 | 6 (23%) |
| Davao City | 183 | 33 (18%) |
| Hagonoy | 21 | 12 (57%) |
| Kiblawan | 30 | 29 (97%) |
| Magsaysay | 22 | 21 (95%) |
| Malalag | 15 | 9 (60%) |
| Matanao | 33 | 26 (79%) |
| Padada | 17 | 13 (76%) |
| Santa Cruz | 18 | 6 (33%) |
| Sulop | 25 | 21 (84%) |