Maribojoc comprises 22 barangays with an estimated population of 28,775. 10 of its barangays (45%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agahay | 1,030 | 1 | Crowdsourced signal only (no registered tower) |
| Aliguay | 1,297 | 6 | Crowdsourced signal only (no registered tower) |
| Anislag | 1,310 | 1 | Crowdsourced signal only (no registered tower) |
| Bayacabac | 2,669 | 2 | Crowdsourced signal only (no registered tower) |
| Bood | 562 | 0 | Dead zone: no towers from any source |
| Busao | 802 | 2 | Crowdsourced signal only (no registered tower) |
| Cabawan | 2,100 | 1 | Crowdsourced signal only (no registered tower) |
| Candavid | 1,392 | 0 | Dead zone: no towers from any source |
| Dipatlong | 2,516 | 0 | Dead zone: no towers from any source |
| Guiwanon | 574 | 1 | Crowdsourced signal only (no registered tower) |
| Jandig | 1,311 | 0 | Dead zone: no towers from any source |
| Lagtangon | 226 | 0 | Dead zone: no towers from any source |
| Lincod | 2,565 | 2 | Crowdsourced signal only (no registered tower) |
| Pagnitoan | 585 | 0 | Dead zone: no towers from any source |
| Poblacion | 2,852 | 1 | Crowdsourced signal only (no registered tower) |
| Punsod | 840 | 0 | Dead zone: no towers from any source |
| Punta Cruz | 1,012 | 1 | Crowdsourced signal only (no registered tower) |
| San Isidro | 630 | 0 | Dead zone: no towers from any source |
| San Roque (Aghao) | 1,788 | 11 | Crowdsourced signal only (no registered tower) |
| San Vicente | 1,277 | 2 | Crowdsourced signal only (no registered tower) |
| Tinibgan | 996 | 0 | Dead zone: no towers from any source |
| Toril | 441 | 0 | Dead zone: no towers from any source |