Alfonso Lista (Potia) comprises 20 barangays with an estimated population of 36,379. 11 of its barangays (55%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bangar | 321 | 0 | Dead zone: no towers from any source |
| Busilac | 1,155 | 0 | Dead zone: no towers from any source |
| Calimag | 184 | 0 | Dead zone: no towers from any source |
| Calupaan | 2,569 | 0 | Dead zone: no towers from any source |
| Caragasan | 1,272 | 2 | Crowdsourced signal only (no registered tower) |
| Dolowog | 455 | 0 | Dead zone: no towers from any source |
| Kiling | 3,504 | 0 | Dead zone: no towers from any source |
| Laya | 1,044 | 1 | Crowdsourced signal only (no registered tower) |
| Little Tadian | 1,477 | 2 | Crowdsourced signal only (no registered tower) |
| Namillangan | 2,171 | 10 | Crowdsourced signal only (no registered tower) |
| Namnama | 504 | 1 | Crowdsourced signal only (no registered tower) |
| Ngileb | 1,312 | 1 | Crowdsourced signal only (no registered tower) |
| Pinto | 4,916 | 0 | Dead zone: no towers from any source |
| Poblacion | 599 | 3 | Crowdsourced signal only (no registered tower) |
| San Jose | 2,640 | 0 | Dead zone: no towers from any source |
| San Juan | 1,862 | 0 | Dead zone: no towers from any source |
| San Marcos | 1,175 | 0 | Dead zone: no towers from any source |
| San Quintin | 4,235 | 0 | Dead zone: no towers from any source |
| Santa Maria | 3,757 | 4 | Crowdsourced signal only (no registered tower) |
| Santo Domingo (Cabicalan) | 1,227 | 3 | Crowdsourced signal only (no registered tower) |