Guindulungan comprises 11 barangays with an estimated population of 7,783. 9 of its barangays (82%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Ahan | 635 | 0 | Dead zone: no towers from any source |
| Bagan | 1,207 | 1 | Crowdsourced signal only (no registered tower) |
| Datalpandan | 628 | 0 | Dead zone: no towers from any source |
| Kalumamis | 523 | 0 | Dead zone: no towers from any source |
| Kateman | 337 | 0 | Dead zone: no towers from any source |
| Lambayao | 1,250 | 0 | Dead zone: no towers from any source |
| Macasampen | 1,252 | 0 | Dead zone: no towers from any source |
| Muslim | 382 | 0 | Dead zone: no towers from any source |
| Muti | 769 | 0 | Dead zone: no towers from any source |
| Sampao | 73 | 0 | Dead zone: no towers from any source |
| Tambunan II | 727 | 3 | Crowdsourced signal only (no registered tower) |