Mapandan comprises 15 barangays with an estimated population of 37,154. 8 of its barangays (53%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Amanoaoac | 2,271 | 0 | Dead zone: no towers from any source |
| Apaya | 1,546 | 0 | Dead zone: no towers from any source |
| Aserda | 1,934 | 0 | Dead zone: no towers from any source |
| Baloling | 4,747 | 2 | Crowdsourced signal only (no registered tower) |
| Coral | 1,459 | 0 | Dead zone: no towers from any source |
| Golden | 1,630 | 2 | Crowdsourced signal only (no registered tower) |
| Jimenez | 1,344 | 1 | Crowdsourced signal only (no registered tower) |
| Lambayan | 1,605 | 0 | Dead zone: no towers from any source |
| Luyan (Luyan South) | 3,536 | 0 | Dead zone: no towers from any source |
| Nilombot | 4,152 | 2 | Crowdsourced signal only (no registered tower) |
| Pias | 5,069 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion | 3,178 | 3 | Crowdsourced signal only (no registered tower) |
| Primicias | 1,494 | 0 | Dead zone: no towers from any source |
| Santa Maria (Luyan North) | 1,969 | 1 | Crowdsourced signal only (no registered tower) |
| Torres | 1,220 | 0 | Dead zone: no towers from any source |