Samar (Western Samar) has 951 barangays across 26 municipalities. 841 barangays (88%) are connectivity dead zones.
| Municipality | Barangays | Dead zones |
|---|---|---|
| Almagro | 23 | 23 (100%) |
| Basey | 51 | 41 (80%) |
| Calbayog City | 157 | 133 (85%) |
| Calbiga | 41 | 37 (90%) |
| City of Catbalogan (Capital) | 57 | 35 (61%) |
| Daram | 58 | 58 (100%) |
| Gandara | 69 | 66 (96%) |
| Hinabangan | 21 | 19 (90%) |
| Jiabong | 34 | 29 (85%) |
| Marabut | 24 | 19 (79%) |
| Matuguinao | 20 | 20 (100%) |
| Motiong | 30 | 27 (90%) |
| Pagsanghan | 13 | 13 (100%) |
| Paranas (Wright) | 44 | 41 (93%) |
| Pinabacdao | 24 | 17 (71%) |
| San Jorge | 41 | 39 (95%) |
| San Jose de Buan | 14 | 14 (100%) |
| San Sebastian | 14 | 12 (86%) |
| Santa Margarita | 36 | 35 (97%) |
| Santa Rita | 38 | 24 (63%) |
| Santo Niño | 13 | 13 (100%) |
| Tagapul-an | 14 | 14 (100%) |
| Talalora | 11 | 11 (100%) |
| Tarangnan | 41 | 39 (95%) |
| Villareal | 38 | 37 (97%) |
| Zumarraga | 25 | 25 (100%) |