San Jose comprises 29 barangays with an estimated population of 51,581. 13 of its barangays (45%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Adiangao | 1,280 | 0 | Dead zone: no towers from any source |
| Bagacay | 1,923 | 0 | Dead zone: no towers from any source |
| Bahay | 1,005 | 5 | Crowdsourced signal only (no registered tower) |
| Boclod | 1,616 | 1 | Crowdsourced signal only (no registered tower) |
| Calalahan | 5,146 | 0 | Dead zone: no towers from any source |
| Calawit | 746 | 0 | Dead zone: no towers from any source |
| Camagong | 1,505 | 2 | Crowdsourced signal only (no registered tower) |
| Catalotoan | 2,763 | 0 | Dead zone: no towers from any source |
| Danlog | 2,312 | 1 | Crowdsourced signal only (no registered tower) |
| Del Carmen (Pob.) | 469 | 1 | Crowdsourced signal only (no registered tower) |
| Dolo | 3,600 | 2 | Crowdsourced signal only (no registered tower) |
| Kinalansan | 3,042 | 0 | Dead zone: no towers from any source |
| Mampirao | 2,287 | 1 | Crowdsourced signal only (no registered tower) |
| Manzana | 1,640 | 0 | Dead zone: no towers from any source |
| Minoro | 1,126 | 1 | Crowdsourced signal only (no registered tower) |
| Palale | 1,647 | 3 | Crowdsourced signal only (no registered tower) |
| Ponglon | 872 | 0 | Dead zone: no towers from any source |
| Pugay | 4,058 | 1 | Crowdsourced signal only (no registered tower) |
| Sabang | 928 | 0 | Dead zone: no towers from any source |
| Salogon | 5,062 | 1 | Crowdsourced signal only (no registered tower) |
| San Antonio (Pob.) | 1,087 | 3 | Crowdsourced signal only (no registered tower) |
| San Juan (Pob.) | 891 | 6 | Crowdsourced signal only (no registered tower) |
| San Vicente (Pob.) | 68 | 0 | Dead zone: no towers from any source |
| Santa Cruz (Pob.) | 504 | 0 | Dead zone: no towers from any source |
| Soledad (Pob.) | 289 | 2 | Crowdsourced signal only (no registered tower) |
| Tagas | 2,184 | 1 | Crowdsourced signal only (no registered tower) |
| Tambangan | 772 | 1 | Crowdsourced signal only (no registered tower) |
| Telegrafo | 1,377 | 0 | Dead zone: no towers from any source |
| Tominawog | 1,382 | 0 | Dead zone: no towers from any source |