Botolan comprises 31 barangays with an estimated population of 62,981. 18 of its barangays (58%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bancal | 1,177 | 1 | Crowdsourced signal only (no registered tower) |
| Bangan | 687 | 0 | Dead zone: no towers from any source |
| Batonlapoc | 1,233 | 9 | Crowdsourced signal only (no registered tower) |
| Belbel | 283 | 0 | Dead zone: no towers from any source |
| Beneg | 1,447 | 0 | Dead zone: no towers from any source |
| Binoclutan | 1,589 | 5 | Crowdsourced signal only (no registered tower) |
| Burgos | 413 | 0 | Dead zone: no towers from any source |
| Cabatuan | 857 | 0 | Dead zone: no towers from any source |
| Capayawan | 745 | 0 | Dead zone: no towers from any source |
| Carael | 1,506 | 8 | Crowdsourced signal only (no registered tower) |
| Danacbunga | 2,405 | 0 | Dead zone: no towers from any source |
| Maguisguis | 808 | 0 | Dead zone: no towers from any source |
| Malomboy | 1,431 | 0 | Dead zone: no towers from any source |
| Mambog | 3,621 | 1 | Crowdsourced signal only (no registered tower) |
| Moraza | 513 | 0 | Dead zone: no towers from any source |
| Nacolcol | 874 | 0 | Dead zone: no towers from any source |
| Owaog-Nebloc | 519 | 0 | Dead zone: no towers from any source |
| Paco (Pob.) | 1,052 | 0 | Dead zone: no towers from any source |
| Palis | 170 | 0 | Dead zone: no towers from any source |
| Panan | 1,595 | 6 | Crowdsourced signal only (no registered tower) |
| Parel | 969 | 0 | Dead zone: no towers from any source |
| Paudpod | 2,073 | 0 | Dead zone: no towers from any source |
| Poonbato | 1,151 | 0 | Dead zone: no towers from any source |
| Porac | 2,987 | 7 | Crowdsourced signal only (no registered tower) |
| San Isidro | 2,031 | 1 | Crowdsourced signal only (no registered tower) |
| San Juan | 5,940 | 1 | Crowdsourced signal only (no registered tower) |
| San Miguel | 2,713 | 4 | Crowdsourced signal only (no registered tower) |
| Santiago | 3,974 | 11 | Crowdsourced signal only (no registered tower) |
| Tampo (Pob.) | 3,008 | 5 | Crowdsourced signal only (no registered tower) |
| Taugtog | 14,815 | 11 | Crowdsourced signal only (no registered tower) |
| Villar | 395 | 0 | Dead zone: no towers from any source |