San Jose comprises 39 barangays with an estimated population of 167,357. 30 of its barangays (77%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Ambulong | 1,402 | 0 | Dead zone: no towers from any source |
| Ansiray | 644 | 0 | Dead zone: no towers from any source |
| Bagong Sikat | 6,532 | 0 | Dead zone: no towers from any source |
| Bangkal | 411 | 0 | Dead zone: no towers from any source |
| Barangay 1 (Pob.) | 242 | 1 | Crowdsourced signal only (no registered tower) |
| Barangay 2 (Pob.) | 96 | 0 | Dead zone: no towers from any source |
| Barangay 3 (Pob.) | 416 | 0 | Dead zone: no towers from any source |
| Barangay 4 (Pob.) | 770 | 0 | Dead zone: no towers from any source |
| Barangay 5 (Pob.) | 341 | 2 | Crowdsourced signal only (no registered tower) |
| Barangay 6 (Pob.) | 186 | 0 | Dead zone: no towers from any source |
| Barangay 7 (Pob.) | 213 | 0 | Dead zone: no towers from any source |
| Barangay 8 (Pob.) | 86 | 0 | Dead zone: no towers from any source |
| Batasan | 6,749 | 0 | Dead zone: no towers from any source |
| Bayotbot | 3,241 | 0 | Dead zone: no towers from any source |
| Bubog | 16,805 | 4 | Crowdsourced signal only (no registered tower) |
| Buri | 553 | 0 | Dead zone: no towers from any source |
| Camburay | 1,098 | 0 | Dead zone: no towers from any source |
| Caminawit | 19,409 | 0 | Dead zone: no towers from any source |
| Catayungan | 415 | 0 | Dead zone: no towers from any source |
| Central | 17,475 | 18 | Crowdsourced signal only (no registered tower) |
| Iling Proper | 2,299 | 1 | Crowdsourced signal only (no registered tower) |
| Inasakan | 787 | 0 | Dead zone: no towers from any source |
| Ipil | 604 | 0 | Dead zone: no towers from any source |
| La Curva | 1,699 | 0 | Dead zone: no towers from any source |
| Labangan Iling | 1,239 | 0 | Dead zone: no towers from any source |
| Labangan Poblacion | 15,813 | 0 | Dead zone: no towers from any source |
| Mabini | 2,343 | 0 | Dead zone: no towers from any source |
| Magbay | 2,065 | 0 | Dead zone: no towers from any source |
| Mangarin | 7,067 | 1 | Crowdsourced signal only (no registered tower) |
| Mapaya | 5,621 | 1 | Crowdsourced signal only (no registered tower) |
| Monte Claro | 6,612 | 0 | Dead zone: no towers from any source |
| Murtha | 9,428 | 0 | Dead zone: no towers from any source |
| Naibuan | 1,029 | 0 | Dead zone: no towers from any source |
| Natandol | 902 | 0 | Dead zone: no towers from any source |
| Pag-Asa | 10,180 | 5 | Crowdsourced signal only (no registered tower) |
| Pawican | 1,950 | 0 | Dead zone: no towers from any source |
| San Agustin | 6,849 | 0 | Dead zone: no towers from any source |
| San Isidro | 2,735 | 0 | Dead zone: no towers from any source |
| San Roque | 11,051 | 6 | Crowdsourced signal only (no registered tower) |