Magsaysay comprises 22 barangays with an estimated population of 44,886. 21 of its barangays (95%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bacungan | 944 | 0 | Dead zone: no towers from any source |
| Balnate | 523 | 0 | Dead zone: no towers from any source |
| Barayong | 8,471 | 0 | Dead zone: no towers from any source |
| Blocon | 1,673 | 0 | Dead zone: no towers from any source |
| Dalawinon | 1,942 | 0 | Dead zone: no towers from any source |
| Dalumay | 619 | 0 | Dead zone: no towers from any source |
| Glamang | 872 | 0 | Dead zone: no towers from any source |
| Kanapulo | 1,649 | 0 | Dead zone: no towers from any source |
| Kasuga | 3,135 | 0 | Dead zone: no towers from any source |
| Lower Bala | 4,815 | 0 | Dead zone: no towers from any source |
| Mabini | 2,379 | 0 | Dead zone: no towers from any source |
| Maibo | 1,085 | 0 | Dead zone: no towers from any source |
| Malawanit | 641 | 0 | Dead zone: no towers from any source |
| Malongon | 188 | 0 | Dead zone: no towers from any source |
| New Ilocos | 1,586 | 0 | Dead zone: no towers from any source |
| New Opon | 670 | 0 | Dead zone: no towers from any source |
| Poblacion | 3,498 | 0 | Dead zone: no towers from any source |
| San Isidro | 6,714 | 0 | Dead zone: no towers from any source |
| San Miguel | 455 | 0 | Dead zone: no towers from any source |
| Tacul | 1,340 | 1 | Crowdsourced signal only (no registered tower) |
| Tagaytay | 373 | 0 | Dead zone: no towers from any source |
| Upper Bala | 1,314 | 0 | Dead zone: no towers from any source |