Roxas comprises 20 barangays with an estimated population of 60,731. 8 of its barangays (40%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bagumbayan (Pob.) | 5,189 | 9 | Crowdsourced signal only (no registered tower) |
| Cantil | 7,176 | 4 | Crowdsourced signal only (no registered tower) |
| Dangay | 4,174 | 3 | Crowdsourced signal only (no registered tower) |
| Happy Valley | 670 | 0 | Dead zone: no towers from any source |
| Libertad | 497 | 0 | Dead zone: no towers from any source |
| Libtong | 3,154 | 5 | Crowdsourced signal only (no registered tower) |
| Little Tanauan | 660 | 1 | Crowdsourced signal only (no registered tower) |
| Mabuhay | 1,017 | 1 | Crowdsourced signal only (no registered tower) |
| Maraska | 466 | 0 | Dead zone: no towers from any source |
| Odiong | 3,691 | 2 | Crowdsourced signal only (no registered tower) |
| Paclasan (Pob.) | 4,653 | 0 | Dead zone: no towers from any source |
| San Aquilino | 2,875 | 3 | Crowdsourced signal only (no registered tower) |
| San Isidro | 3,913 | 0 | Dead zone: no towers from any source |
| San Jose | 4,875 | 1 | Crowdsourced signal only (no registered tower) |
| San Mariano | 6,365 | 4 | Crowdsourced signal only (no registered tower) |
| San Miguel | 523 | 0 | Dead zone: no towers from any source |
| San Rafael | 1,957 | 0 | Dead zone: no towers from any source |
| San Vicente | 5,664 | 0 | Dead zone: no towers from any source |
| Uyao | 872 | 1 | Crowdsourced signal only (no registered tower) |
| Victoria | 2,340 | 3 | Crowdsourced signal only (no registered tower) |