Surigao del Norte has 335 barangays across 21 municipalities. 243 barangays (73%) are connectivity dead zones.
| Municipality | Barangays | Dead zones |
|---|---|---|
| Alegria | 12 | 5 (42%) |
| Bacuag | 9 | 7 (78%) |
| Burgos | 6 | 5 (83%) |
| Claver | 14 | 6 (43%) |
| Dapa | 29 | 22 (76%) |
| Del Carmen | 20 | 15 (75%) |
| General Luna | 19 | 12 (63%) |
| Gigaquit | 13 | 11 (85%) |
| Mainit | 21 | 14 (67%) |
| Malimono | 14 | 14 (100%) |
| Pilar | 15 | 13 (87%) |
| Placer | 20 | 13 (65%) |
| San Benito | 6 | 5 (83%) |
| San Francisco (Anao-Aon) | 11 | 11 (100%) |
| San Isidro | 12 | 12 (100%) |
| Santa Monica (Sapao) | 11 | 10 (91%) |
| Sison | 12 | 7 (58%) |
| Socorro | 14 | 14 (100%) |
| Surigao City (Capital) | 54 | 32 (59%) |
| Tagana-an | 14 | 11 (79%) |
| Tubod | 9 | 4 (44%) |