Siocon comprises 26 barangays with an estimated population of 48,246. 22 of its barangays (85%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Andres Micubo Jr. (Balili) | 276 | 0 | Dead zone: no towers from any source |
| Balagunan | 912 | 0 | Dead zone: no towers from any source |
| Bucana | 1,712 | 0 | Dead zone: no towers from any source |
| Bulacan | 1,496 | 0 | Dead zone: no towers from any source |
| Candiz | 9,693 | 0 | Dead zone: no towers from any source |
| Datu Sailila | 787 | 0 | Dead zone: no towers from any source |
| Dionisio Riconalla | 916 | 0 | Dead zone: no towers from any source |
| Jose P. Brillantes, Sr. (Old Lituban) | 2,143 | 1 | Crowdsourced signal only (no registered tower) |
| Latabon | 847 | 0 | Dead zone: no towers from any source |
| Makiang | 813 | 0 | Dead zone: no towers from any source |
| Malambuhangin | 781 | 0 | Dead zone: no towers from any source |
| Malipot | 1,322 | 0 | Dead zone: no towers from any source |
| Manaol | 1,099 | 0 | Dead zone: no towers from any source |
| Mateo Francisco | 2,517 | 1 | Crowdsourced signal only (no registered tower) |
| Matiag | 1,357 | 0 | Dead zone: no towers from any source |
| New Lituban | 1,929 | 0 | Dead zone: no towers from any source |
| Pangian | 298 | 0 | Dead zone: no towers from any source |
| Pisawak | 597 | 0 | Dead zone: no towers from any source |
| Poblacion | 4,266 | 2 | Crowdsourced signal only (no registered tower) |
| S. Cabral | 1,256 | 0 | Dead zone: no towers from any source |
| Santa Maria | 864 | 0 | Dead zone: no towers from any source |
| Siay | 2,219 | 0 | Dead zone: no towers from any source |
| Suhaile Arabi | 2,971 | 0 | Dead zone: no towers from any source |
| Tabayo | 5,999 | 2 | Crowdsourced signal only (no registered tower) |
| Tagaytay | 571 | 0 | Dead zone: no towers from any source |
| Tibangao | 605 | 0 | Dead zone: no towers from any source |