Magsaysay comprises 12 barangays with an estimated population of 33,509. 10 of its barangays (83%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alibog | 2,045 | 0 | Dead zone: no towers from any source |
| Caguray | 2,789 | 0 | Dead zone: no towers from any source |
| Calawag | 528 | 0 | Dead zone: no towers from any source |
| Gapasan | 2,200 | 0 | Dead zone: no towers from any source |
| Laste | 1,036 | 0 | Dead zone: no towers from any source |
| Lourdes | 1,070 | 0 | Dead zone: no towers from any source |
| Nicolas (Bulo) | 2,592 | 9 | Crowdsourced signal only (no registered tower) |
| Paclolo | 3,928 | 0 | Dead zone: no towers from any source |
| Poblacion | 9,965 | 1 | Crowdsourced signal only (no registered tower) |
| Purnaga | 3,074 | 0 | Dead zone: no towers from any source |
| Santa Teresa | 1,912 | 0 | Dead zone: no towers from any source |
| Sibalat | 2,370 | 0 | Dead zone: no towers from any source |