Vincenzo A. Sagun comprises 14 barangays with an estimated population of 19,445. 13 of its barangays (93%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Ambulon | 683 | 0 | Dead zone: no towers from any source |
| Bui-os | 1,608 | 0 | Dead zone: no towers from any source |
| Cogon | 1,739 | 0 | Dead zone: no towers from any source |
| Danan | 2,157 | 0 | Dead zone: no towers from any source |
| Kabatan | 3,482 | 4 | Crowdsourced signal only (no registered tower) |
| Kapatagan | 2,349 | 0 | Dead zone: no towers from any source |
| Limason | 1,068 | 0 | Dead zone: no towers from any source |
| Linoguayan | 907 | 0 | Dead zone: no towers from any source |
| Lumbal | 878 | 0 | Dead zone: no towers from any source |
| Lunib | 818 | 0 | Dead zone: no towers from any source |
| Maculay | 523 | 0 | Dead zone: no towers from any source |
| Maraya | 1,174 | 0 | Dead zone: no towers from any source |
| Sagucan | 603 | 0 | Dead zone: no towers from any source |
| Waling-waling | 1,456 | 0 | Dead zone: no towers from any source |