Balilihan comprises 31 barangays with an estimated population of 15,103. 23 of its barangays (74%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Baucan Norte | 868 | 0 | Dead zone: no towers from any source |
| Baucan Sur | 537 | 0 | Dead zone: no towers from any source |
| Boctol | 1,065 | 0 | Dead zone: no towers from any source |
| Boyog Norte | 137 | 0 | Dead zone: no towers from any source |
| Boyog Proper | 133 | 0 | Dead zone: no towers from any source |
| Boyog Sur | 486 | 0 | Dead zone: no towers from any source |
| Cabad | 805 | 0 | Dead zone: no towers from any source |
| Candasig | 325 | 1 | Crowdsourced signal only (no registered tower) |
| Cantalid | 229 | 0 | Dead zone: no towers from any source |
| Cantomimbo | 557 | 6 | Crowdsourced signal only (no registered tower) |
| Cogon | 959 | 0 | Dead zone: no towers from any source |
| Datag Norte | 609 | 0 | Dead zone: no towers from any source |
| Datag Sur | 423 | 0 | Dead zone: no towers from any source |
| Del Carmen Este (Pob.) | 688 | 0 | Dead zone: no towers from any source |
| Del Carmen Norte (Pob.) | 622 | 3 | Crowdsourced signal only (no registered tower) |
| Del Carmen Sur (Pob.) | 644 | 0 | Dead zone: no towers from any source |
| Del Carmen Weste (Pob.) | 773 | 1 | Crowdsourced signal only (no registered tower) |
| Del Rosario | 259 | 0 | Dead zone: no towers from any source |
| Dorol | 752 | 0 | Dead zone: no towers from any source |
| Haguilanan Grande | 575 | 2 | Crowdsourced signal only (no registered tower) |
| Hanopol Este | 300 | 1 | Crowdsourced signal only (no registered tower) |
| Hanopol Norte | 145 | 0 | Dead zone: no towers from any source |
| Hanopol Weste | 117 | 0 | Dead zone: no towers from any source |
| Magsija | 222 | 0 | Dead zone: no towers from any source |
| Maslog | 251 | 0 | Dead zone: no towers from any source |
| Sagasa | 241 | 1 | Crowdsourced signal only (no registered tower) |
| Sal-ing | 596 | 2 | Crowdsourced signal only (no registered tower) |
| San Isidro | 353 | 0 | Dead zone: no towers from any source |
| San Roque | 378 | 0 | Dead zone: no towers from any source |
| Santo Niño | 609 | 0 | Dead zone: no towers from any source |
| Tagustusan | 445 | 0 | Dead zone: no towers from any source |