Mahinog comprises 13 barangays with an estimated population of 13,594. 6 of its barangays (46%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Benoni | 573 | 1 | Crowdsourced signal only (no registered tower) |
| Binatubo (Binaliwan) | 892 | 1 | Crowdsourced signal only (no registered tower) |
| Catohugan | 735 | 0 | Dead zone: no towers from any source |
| Hubangon | 2,402 | 2 | Registered tower only (not crowd-verified) |
| Owakan | 324 | 0 | Dead zone: no towers from any source |
| Poblacion | 2,574 | 3 | Crowdsourced signal only (no registered tower) |
| Puntod | 788 | 0 | Dead zone: no towers from any source |
| San Isidro | 1,152 | 3 | Crowdsourced signal only (no registered tower) |
| San Jose | 787 | 0 | Dead zone: no towers from any source |
| San Miguel | 241 | 0 | Dead zone: no towers from any source |
| San Roque | 1,523 | 2 | Registered tower only (not crowd-verified) |
| Tubod | 396 | 2 | Crowdsourced signal only (no registered tower) |
| Tupsan Pequeño | 1,207 | 0 | Dead zone: no towers from any source |