Poro comprises 17 barangays with an estimated population of 28,162. 9 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 |
|---|---|---|---|
| Adela | 4,023 | 0 | Dead zone: no towers from any source |
| Altavista | 1,754 | 0 | Dead zone: no towers from any source |
| Cagcagan | 2,292 | 1 | Crowdsourced signal only (no registered tower) |
| Cansabusab | 684 | 0 | Dead zone: no towers from any source |
| Daan Paz | 750 | 0 | Dead zone: no towers from any source |
| Eastern Poblacion | 640 | 4 | Crowdsourced signal only (no registered tower) |
| Esperanza | 3,885 | 1 | Crowdsourced signal only (no registered tower) |
| Libertad | 1,574 | 0 | Dead zone: no towers from any source |
| Mabini | 1,157 | 3 | Crowdsourced signal only (no registered tower) |
| Mercedes | 2,228 | 3 | Crowdsourced signal only (no registered tower) |
| Pagsa | 681 | 1 | Crowdsourced signal only (no registered tower) |
| Paz | 917 | 0 | Dead zone: no towers from any source |
| Rizal | 852 | 0 | Dead zone: no towers from any source |
| San Jose | 1,306 | 0 | Dead zone: no towers from any source |
| Santa Rita | 1,909 | 12 | Crowdsourced signal only (no registered tower) |
| Teguis | 1,720 | 2 | Crowdsourced signal only (no registered tower) |
| Western Poblacion | 1,790 | 0 | Dead zone: no towers from any source |