Mapanas comprises 13 barangays with an estimated population of 11,462. 13 of its barangays (100%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Burgos | 238 | 0 | Dead zone: no towers from any source |
| Del Norte (Pob.) | 203 | 0 | Dead zone: no towers from any source |
| Del Sur (Pob.) | 466 | 0 | Dead zone: no towers from any source |
| E. Laodenio | 28 | 0 | Dead zone: no towers from any source |
| Jubasan | 1,178 | 0 | Dead zone: no towers from any source |
| Magsaysay | 452 | 0 | Dead zone: no towers from any source |
| Magtaon | 3,854 | 0 | Dead zone: no towers from any source |
| Manaybanay | 731 | 0 | Dead zone: no towers from any source |
| Naparasan | 586 | 0 | Dead zone: no towers from any source |
| Quezon | 551 | 0 | Dead zone: no towers from any source |
| San Jose | 854 | 0 | Dead zone: no towers from any source |
| Santa Potenciana (Pob.) | 1,521 | 0 | Dead zone: no towers from any source |
| Siljagon | 800 | 0 | Dead zone: no towers from any source |