Gen. Mariano Alvarez comprises 27 barangays with an estimated population of 106,332. 7 of its barangays (26%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Aldiano Olaes | 4,898 | 1 | Crowdsourced signal only (no registered tower) |
| Barangay 1 Poblacion (Area I) | 3,952 | 8 | Crowdsourced signal only (no registered tower) |
| Barangay 2 Poblacion | 2,574 | 2 | Crowdsourced signal only (no registered tower) |
| Barangay 3 Poblacion | 1,061 | 0 | Dead zone: no towers from any source |
| Barangay 4 Poblacion | 4,574 | 4 | Crowdsourced signal only (no registered tower) |
| Barangay 5 Poblacion | 15,453 | 5 | Crowdsourced signal only (no registered tower) |
| Benjamin Tirona (Area D) | 1,818 | 1 | Crowdsourced signal only (no registered tower) |
| Bernardo Pulido (Area H) | 9,623 | 5 | Crowdsourced signal only (no registered tower) |
| Epifanio Malia | 1,432 | 1 | Crowdsourced signal only (no registered tower) |
| Fiorello Calimag (Area C) | 495 | 3 | Crowdsourced signal only (no registered tower) |
| Francisco Reyes | 3,053 | 6 | Crowdsourced signal only (no registered tower) |
| Francisco de Castro (Sunshine Vill.) | 6,124 | 9 | Crowdsourced signal only (no registered tower) |
| Gavino Maderan | 7,663 | 28 | Crowdsourced signal only (no registered tower) |
| Gregoria de Jesus | 2,701 | 2 | Crowdsourced signal only (no registered tower) |
| Inocencio Salud | 930 | 0 | Dead zone: no towers from any source |
| Jacinto Lumbreras | 2,488 | 1 | Crowdsourced signal only (no registered tower) |
| Kapitan Kua (Area F) | 4,507 | 0 | Dead zone: no towers from any source |
| Koronel Jose P. Elises (Area E) | 1,897 | 0 | Dead zone: no towers from any source |
| Macario Dacon | 1,263 | 5 | Crowdsourced signal only (no registered tower) |
| Marcelino Memije | 5,578 | 3 | Crowdsourced signal only (no registered tower) |
| Nicolasa Virata (San Jose) | 985 | 0 | Dead zone: no towers from any source |
| Pantaleon Granados (Area G) | 1,908 | 2 | Crowdsourced signal only (no registered tower) |
| Ramon Cruz (Area J) | 2,653 | 0 | Dead zone: no towers from any source |
| San Gabriel (Area K) | 11,005 | 31 | Crowdsourced signal only (no registered tower) |
| San Jose | 457 | 2 | Crowdsourced signal only (no registered tower) |
| Severino de Las Alas | 6,755 | 1 | Crowdsourced signal only (no registered tower) |
| Tiniente Tiago | 485 | 0 | Dead zone: no towers from any source |