Magarao comprises 15 barangays with an estimated population of 33,571. 4 of its barangays (27%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Barobaybay | 267 | 0 | Dead zone: no towers from any source |
| Bell (Pob.) | 1,307 | 1 | Crowdsourced signal only (no registered tower) |
| Carangcang | 3,620 | 3 | Crowdsourced signal only (no registered tower) |
| Carigsa | 398 | 0 | Dead zone: no towers from any source |
| Casuray | 1,066 | 0 | Dead zone: no towers from any source |
| Monserrat (Pob.) | 1,643 | 4 | Crowdsourced signal only (no registered tower) |
| Ponong | 1,832 | 1 | Crowdsourced signal only (no registered tower) |
| San Francisco (Pob.) | 973 | 1 | Crowdsourced signal only (no registered tower) |
| San Isidro (Pob.) | 3,523 | 2 | Crowdsourced signal only (no registered tower) |
| San Juan (Pob.) | 3,118 | 3 | Crowdsourced signal only (no registered tower) |
| San Miguel | 1,020 | 4 | Crowdsourced signal only (no registered tower) |
| San Pantaleon (Pob.) | 973 | 1 | Crowdsourced signal only (no registered tower) |
| Santa Lucia (Pob.) | 9,983 | 8 | Crowdsourced signal only (no registered tower) |
| Santa Rosa | 1,725 | 0 | Dead zone: no towers from any source |
| Santo Tomas (Pob.) | 2,123 | 1 | Crowdsourced signal only (no registered tower) |