Jaen comprises 27 barangays with an estimated population of 80,461. 9 of its barangays (33%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Calabasa | 6,689 | 3 | Crowdsourced signal only (no registered tower) |
| Dampulan (Pob.) | 1,339 | 5 | Crowdsourced signal only (no registered tower) |
| Don Mariano Marcos (Pob.) | 424 | 2 | Crowdsourced signal only (no registered tower) |
| Hilera | 3,048 | 1 | Crowdsourced signal only (no registered tower) |
| Imbunia | 4,035 | 0 | Dead zone: no towers from any source |
| Imelda Pob. (Doña Aurora) | 522 | 0 | Dead zone: no towers from any source |
| Lambakin | 5,024 | 11 | Crowdsourced signal only (no registered tower) |
| Langla | 979 | 1 | Crowdsourced signal only (no registered tower) |
| Magsalisi | 4,300 | 2 | Crowdsourced signal only (no registered tower) |
| Malabon-Kaingin | 1,351 | 3 | Crowdsourced signal only (no registered tower) |
| Marawa | 2,533 | 0 | Dead zone: no towers from any source |
| Niyugan | 2,320 | 5 | Crowdsourced signal only (no registered tower) |
| Ocampo-Rivera District (Pob.) | 147 | 0 | Dead zone: no towers from any source |
| Pakol | 1,285 | 0 | Dead zone: no towers from any source |
| Pamacpacan | 3,615 | 0 | Dead zone: no towers from any source |
| Pinanggaan | 6,697 | 4 | Crowdsourced signal only (no registered tower) |
| Putlod | 1,093 | 1 | Crowdsourced signal only (no registered tower) |
| San Jose | 4,508 | 2 | Crowdsourced signal only (no registered tower) |
| San Josef (Nabao) | 793 | 2 | Crowdsourced signal only (no registered tower) |
| San Pablo | 5,538 | 2 | Crowdsourced signal only (no registered tower) |
| San Roque | 843 | 3 | Crowdsourced signal only (no registered tower) |
| San Vicente | 8,323 | 0 | Dead zone: no towers from any source |
| Santa Rita | 1,142 | 0 | Dead zone: no towers from any source |
| Santo Tomas North | 2,259 | 0 | Dead zone: no towers from any source |
| Santo Tomas South | 792 | 2 | Crowdsourced signal only (no registered tower) |
| Sapang | 2,115 | 8 | Crowdsourced signal only (no registered tower) |
| Ulanin-Pitak | 8,747 | 1 | Crowdsourced signal only (no registered tower) |