Roxas comprises 31 barangays with an estimated population of 95,401. 19 of its barangays (61%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Abaroan | 6,336 | 0 | Dead zone: no towers from any source |
| Antonino | 7,772 | 0 | Dead zone: no towers from any source |
| Bagong Bayan | 1,110 | 0 | Dead zone: no towers from any source |
| Barangay 1 (Pob.) | 2,111 | 0 | Dead zone: no towers from any source |
| Barangay II (Pob.) | 628 | 7 | Crowdsourced signal only (no registered tower) |
| Barangay III (Pob.) | 4,412 | 4 | Crowdsourced signal only (no registered tower) |
| Barangay IV (Pob.) | 8,332 | 3 | Crowdsourced signal only (no registered tower) |
| Barangay V Pob. (Porao Island) | 5 | 0 | Dead zone: no towers from any source |
| Barangay VI Pob. (Johnson Island) | 48 | 0 | Dead zone: no towers from any source |
| Caramay | 5,863 | 0 | Dead zone: no towers from any source |
| Dumarao | 4,231 | 0 | Dead zone: no towers from any source |
| Iraan | 552 | 0 | Dead zone: no towers from any source |
| Jolo | 2,241 | 0 | Dead zone: no towers from any source |
| Magara (Arasan) | 5,097 | 1 | Crowdsourced signal only (no registered tower) |
| Malcampo | 3,062 | 5 | Crowdsourced signal only (no registered tower) |
| Mendoza | 1,618 | 0 | Dead zone: no towers from any source |
| Narra (Minara) | 2,303 | 2 | Crowdsourced signal only (no registered tower) |
| New Barbacan (Retac) | 2,976 | 7 | Crowdsourced signal only (no registered tower) |
| New Cuyo | 2,563 | 0 | Dead zone: no towers from any source |
| Nicanor Zabala | 5,179 | 2 | Crowdsourced signal only (no registered tower) |
| Rizal | 5,554 | 0 | Dead zone: no towers from any source |
| Salvacion | 783 | 0 | Dead zone: no towers from any source |
| San Isidro | 798 | 0 | Dead zone: no towers from any source |
| San Jose | 1,871 | 0 | Dead zone: no towers from any source |
| San Miguel | 1,074 | 1 | Crowdsourced signal only (no registered tower) |
| San Nicolas | 1,631 | 1 | Crowdsourced signal only (no registered tower) |
| Sandoval | 1,385 | 1 | Crowdsourced signal only (no registered tower) |
| Tagumpay | 3,222 | 0 | Dead zone: no towers from any source |
| Taradungan | 4,579 | 0 | Dead zone: no towers from any source |
| Tinitian | 3,831 | 4 | Crowdsourced signal only (no registered tower) |
| Tumarbong | 4,234 | 0 | Dead zone: no towers from any source |