Mabitac comprises 15 barangays with an estimated population of 18,587. 3 of its barangays (20%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Amuyong | 1,046 | 14 | Crowdsourced signal only (no registered tower) |
| Bayanihan (Pob.) | 33 | 0 | Dead zone: no towers from any source |
| Lambac (Pob.) | 2,932 | 4 | Crowdsourced signal only (no registered tower) |
| Libis ng Nayon (Pob.) | 1,055 | 1 | Crowdsourced signal only (no registered tower) |
| Lucong | 144 | 1 | Crowdsourced signal only (no registered tower) |
| Maligaya (Pob.) | 115 | 0 | Dead zone: no towers from any source |
| Masikap (Pob.) | 68 | 1 | Crowdsourced signal only (no registered tower) |
| Matalatala | 2,218 | 2 | Crowdsourced signal only (no registered tower) |
| Nanguma | 3,742 | 39 | Crowdsourced signal only (no registered tower) |
| Numero | 750 | 3 | Crowdsourced signal only (no registered tower) |
| Paagahan | 4,340 | 68 | Crowdsourced signal only (no registered tower) |
| Pag-Asa (Pob.) | 81 | 0 | Dead zone: no towers from any source |
| San Antonio | 1,047 | 6 | Crowdsourced signal only (no registered tower) |
| San Miguel | 527 | 7 | Crowdsourced signal only (no registered tower) |
| Sinagtala (Pob.) | 489 | 2 | Crowdsourced signal only (no registered tower) |