Roxas comprises 26 barangays with an estimated population of 69,659. 12 of its barangays (46%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Anao | 1,420 | 1 | Crowdsourced signal only (no registered tower) |
| Bantug (Pob.) | 914 | 9 | Crowdsourced signal only (no registered tower) |
| Doña Concha | 415 | 0 | Dead zone: no towers from any source |
| Imbiao | 381 | 0 | Dead zone: no towers from any source |
| Lanting | 1,550 | 0 | Dead zone: no towers from any source |
| Lucban | 847 | 2 | Crowdsourced signal only (no registered tower) |
| Luna (Pob.) | 139 | 0 | Dead zone: no towers from any source |
| Marcos | 1,795 | 0 | Dead zone: no towers from any source |
| Masigun | 609 | 1 | Crowdsourced signal only (no registered tower) |
| Matusalem | 7,396 | 0 | Dead zone: no towers from any source |
| Muñoz East | 1,196 | 1 | Crowdsourced signal only (no registered tower) |
| Muñoz West | 2,367 | 6 | Crowdsourced signal only (no registered tower) |
| Quiling | 1,422 | 0 | Dead zone: no towers from any source |
| Rang-ayan | 1,892 | 0 | Dead zone: no towers from any source |
| Rizal (Pob.) | 1,379 | 1 | Crowdsourced signal only (no registered tower) |
| San Antonio | 23,014 | 5 | Crowdsourced signal only (no registered tower) |
| San Jose | 872 | 1 | Crowdsourced signal only (no registered tower) |
| San Luis | 905 | 1 | Crowdsourced signal only (no registered tower) |
| San Pedro | 1,372 | 0 | Dead zone: no towers from any source |
| San Placido | 3,836 | 2 | Crowdsourced signal only (no registered tower) |
| San Rafael | 4,394 | 2 | Crowdsourced signal only (no registered tower) |
| Simimbaan | 2,972 | 0 | Dead zone: no towers from any source |
| Sinamar | 3,079 | 0 | Dead zone: no towers from any source |
| Sotero Nuesa | 3,816 | 2 | Crowdsourced signal only (no registered tower) |
| Villa Concepcion | 1,128 | 0 | Dead zone: no towers from any source |
| Vira (Pob.) | 549 | 1 | Crowdsourced signal only (no registered tower) |