San Jose comprises 33 barangays with an estimated population of 95,096. 12 of its barangays (36%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Aguila | 3,159 | 9 | Crowdsourced signal only (no registered tower) |
| Anus | 1,206 | 0 | Dead zone: no towers from any source |
| Aya | 5,040 | 2 | Crowdsourced signal only (no registered tower) |
| Bagong Pook | 1,424 | 1 | Verified coverage (NTC + crowdsourced) |
| Balagtasin | 4,383 | 5 | Crowdsourced signal only (no registered tower) |
| Balagtasin I | 1,296 | 3 | Crowdsourced signal only (no registered tower) |
| Banaybanay I | 7,164 | 11 | Crowdsourced signal only (no registered tower) |
| Banaybanay II | 5,493 | 15 | Crowdsourced signal only (no registered tower) |
| Bigain I | 3,447 | 0 | Dead zone: no towers from any source |
| Bigain II | 1,330 | 0 | Dead zone: no towers from any source |
| Bigain South | 1,238 | 0 | Dead zone: no towers from any source |
| Calansayan | 5,024 | 9 | Crowdsourced signal only (no registered tower) |
| Dagatan | 4,475 | 2 | Crowdsourced signal only (no registered tower) |
| Don Luis | 2,118 | 5 | Crowdsourced signal only (no registered tower) |
| Galamay-Amo | 8,849 | 5 | Crowdsourced signal only (no registered tower) |
| Lalayat | 2,986 | 0 | Dead zone: no towers from any source |
| Lapolapo I | 2,546 | 4 | Crowdsourced signal only (no registered tower) |
| Lapolapo II | 2,630 | 13 | Crowdsourced signal only (no registered tower) |
| Lepute | 1,248 | 0 | Dead zone: no towers from any source |
| Lumil | 4,092 | 5 | Crowdsourced signal only (no registered tower) |
| Mojon-Tampoy | 2,179 | 2 | Crowdsourced signal only (no registered tower) |
| Natunuan | 2,564 | 0 | Dead zone: no towers from any source |
| Palanca | 2,053 | 1 | Crowdsourced signal only (no registered tower) |
| Pinagtung-Ulan | 5,558 | 4 | Crowdsourced signal only (no registered tower) |
| Poblacion Barangay I | 292 | 0 | Dead zone: no towers from any source |
| Poblacion Barangay II | 274 | 0 | Dead zone: no towers from any source |
| Poblacion Barangay III | 169 | 0 | Dead zone: no towers from any source |
| Poblacion Barangay IV | 108 | 1 | Crowdsourced signal only (no registered tower) |
| Sabang | 1,735 | 0 | Dead zone: no towers from any source |
| Salaban | 948 | 6 | Crowdsourced signal only (no registered tower) |
| Santo Cristo | 4,216 | 11 | Crowdsourced signal only (no registered tower) |
| Taysan | 3,743 | 12 | Crowdsourced signal only (no registered tower) |
| Tugtug | 2,109 | 0 | Dead zone: no towers from any source |