San Pablo comprises 17 barangays with an estimated population of 31,062. 13 of its barangays (76%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Annanuman | 803 | 0 | Dead zone: no towers from any source |
| Auitan | 336 | 0 | Dead zone: no towers from any source |
| Ballacayu | 2,766 | 6 | Crowdsourced signal only (no registered tower) |
| Binguang | 2,194 | 1 | Crowdsourced signal only (no registered tower) |
| Bungad | 2,909 | 0 | Dead zone: no towers from any source |
| Caddangan/Limbauan | 1,273 | 0 | Dead zone: no towers from any source |
| Calamagui | 3,643 | 4 | Crowdsourced signal only (no registered tower) |
| Caralucud | 1,982 | 0 | Dead zone: no towers from any source |
| Dalena | 3,248 | 0 | Dead zone: no towers from any source |
| Guminga | 346 | 0 | Dead zone: no towers from any source |
| Minanga Norte | 2,368 | 0 | Dead zone: no towers from any source |
| Minanga Sur | 1,609 | 0 | Dead zone: no towers from any source |
| Poblacion | 1,850 | 2 | Crowdsourced signal only (no registered tower) |
| San Jose | 916 | 0 | Dead zone: no towers from any source |
| Simanu Norte | 1,553 | 0 | Dead zone: no towers from any source |
| Simanu Sur | 1,458 | 0 | Dead zone: no towers from any source |
| Tupa (San Vicente) | 1,808 | 0 | Dead zone: no towers from any source |