San Jose City comprises 38 barangays with an estimated population of 155,364. 17 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 |
|---|---|---|---|
| A. Pascual | 878 | 0 | Dead zone: no towers from any source |
| Abar 2nd | 1,556 | 14 | Crowdsourced signal only (no registered tower) |
| Abar Ist | 22,541 | 34 | Crowdsourced signal only (no registered tower) |
| Bagong Sikat | 926 | 7 | Crowdsourced signal only (no registered tower) |
| Caanawan | 3,640 | 12 | Crowdsourced signal only (no registered tower) |
| Calaocan | 5,917 | 0 | Dead zone: no towers from any source |
| Camanacsacan | 1,035 | 0 | Dead zone: no towers from any source |
| Canuto Ramos Pob. (District III) | 1,769 | 1 | Crowdsourced signal only (no registered tower) |
| Crisanto Sanchez Pob. (District V) | 527 | 1 | Crowdsourced signal only (no registered tower) |
| Culaylay | 1,824 | 0 | Dead zone: no towers from any source |
| Dizol | 789 | 1 | Crowdsourced signal only (no registered tower) |
| Ferdinand E. Marcos Pob. (District II) | 1,348 | 2 | Crowdsourced signal only (no registered tower) |
| Kaliwanagan | 2,195 | 0 | Dead zone: no towers from any source |
| Kita-Kita | 6,575 | 7 | Crowdsourced signal only (no registered tower) |
| Malasin | 11,418 | 15 | Crowdsourced signal only (no registered tower) |
| Manicla | 1,691 | 3 | Crowdsourced signal only (no registered tower) |
| Palestina | 7,197 | 4 | Crowdsourced signal only (no registered tower) |
| Parang Mangga | 529 | 0 | Dead zone: no towers from any source |
| Pinili | 3,920 | 7 | Crowdsourced signal only (no registered tower) |
| Porais | 2,343 | 0 | Dead zone: no towers from any source |
| Rafael Rueda, Sr. Pob. (District I) | 2,734 | 4 | Crowdsourced signal only (no registered tower) |
| Raymundo Eugenio Pob. (District IV) | 755 | 2 | Crowdsourced signal only (no registered tower) |
| San Agustin | 3,892 | 0 | Dead zone: no towers from any source |
| San Juan | 1,953 | 0 | Dead zone: no towers from any source |
| San Mauricio | 1,135 | 0 | Dead zone: no towers from any source |
| Santo Niño 1st | 11,994 | 4 | Crowdsourced signal only (no registered tower) |
| Santo Niño 2nd | 9,769 | 0 | Dead zone: no towers from any source |
| Santo Niño 3rd | 12,149 | 7 | Crowdsourced signal only (no registered tower) |
| Santo Tomas | 4,651 | 11 | Crowdsourced signal only (no registered tower) |
| Sibut | 5,130 | 3 | Crowdsourced signal only (no registered tower) |
| Sinipit Bubon | 1,654 | 0 | Dead zone: no towers from any source |
| Tabulac | 818 | 0 | Dead zone: no towers from any source |
| Tayabo | 7,296 | 8 | Crowdsourced signal only (no registered tower) |
| Tondod | 5,600 | 0 | Dead zone: no towers from any source |
| Tulat | 2,156 | 0 | Dead zone: no towers from any source |
| Villa Floresca | 819 | 0 | Dead zone: no towers from any source |
| Villa Joson (Parilla) | 3,257 | 1 | Crowdsourced signal only (no registered tower) |
| Villa Marina | 984 | 0 | Dead zone: no towers from any source |