Vinzons comprises 19 barangays with an estimated population of 47,930. 12 of its barangays (63%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Aguit-It | 6,454 | 0 | Dead zone: no towers from any source |
| Banocboc | 2,461 | 0 | Dead zone: no towers from any source |
| Barangay I (Pob.) | 2,031 | 5 | Crowdsourced signal only (no registered tower) |
| Barangay II (Pob.) | 1,426 | 2 | Crowdsourced signal only (no registered tower) |
| Barangay III (Pob.) | 1,084 | 0 | Dead zone: no towers from any source |
| Cagbalogo | 1,064 | 0 | Dead zone: no towers from any source |
| Calangcawan Norte | 5,861 | 0 | Dead zone: no towers from any source |
| Calangcawan Sur | 3,651 | 1 | Crowdsourced signal only (no registered tower) |
| Guinacutan | 3,550 | 1 | Crowdsourced signal only (no registered tower) |
| Mangcawayan | 733 | 0 | Dead zone: no towers from any source |
| Mangcayo | 3,559 | 3 | Crowdsourced signal only (no registered tower) |
| Manlucugan | 1,447 | 0 | Dead zone: no towers from any source |
| Matango | 1,437 | 0 | Dead zone: no towers from any source |
| Napilihan | 3,036 | 1 | Crowdsourced signal only (no registered tower) |
| Pinagtigasan | 836 | 0 | Dead zone: no towers from any source |
| Sabang | 342 | 0 | Dead zone: no towers from any source |
| Santo Domingo | 5,622 | 1 | Crowdsourced signal only (no registered tower) |
| Singi | 1,053 | 0 | Dead zone: no towers from any source |
| Sula | 2,283 | 0 | Dead zone: no towers from any source |