Gloria comprises 28 barangays with an estimated population of 37,564. 25 of its barangays (89%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agos | 566 | 0 | Dead zone: no towers from any source |
| Agsalin | 488 | 0 | Dead zone: no towers from any source |
| Alma Villa | 814 | 0 | Dead zone: no towers from any source |
| Andres Bonifacio | 699 | 0 | Dead zone: no towers from any source |
| Balete | 2,413 | 0 | Dead zone: no towers from any source |
| Banus | 977 | 0 | Dead zone: no towers from any source |
| Banutan | 525 | 0 | Dead zone: no towers from any source |
| Bulaklakan | 1,974 | 0 | Dead zone: no towers from any source |
| Buong Lupa | 594 | 0 | Dead zone: no towers from any source |
| Forest Land under Jurisdiction of Gloria, Oriental Mindoro | 1,517 | 0 | Dead zone: no towers from any source |
| Gaudencio Antonino | 1,664 | 1 | Crowdsourced signal only (no registered tower) |
| Guimbonan | 906 | 0 | Dead zone: no towers from any source |
| Kawit | 1,758 | 0 | Dead zone: no towers from any source |
| Lucio Laurel | 2,501 | 0 | Dead zone: no towers from any source |
| Macario Adriatico | 769 | 0 | Dead zone: no towers from any source |
| Malamig | 2,497 | 0 | Dead zone: no towers from any source |
| Malayong | 463 | 0 | Dead zone: no towers from any source |
| Maligaya (Pob.) | 2,539 | 2 | Crowdsourced signal only (no registered tower) |
| Malubay | 400 | 0 | Dead zone: no towers from any source |
| Manguyang | 1,420 | 0 | Dead zone: no towers from any source |
| Maragooc | 1,424 | 0 | Dead zone: no towers from any source |
| Mirayan | 1,019 | 0 | Dead zone: no towers from any source |
| Narra | 2,689 | 0 | Dead zone: no towers from any source |
| Papandungin | 850 | 0 | Dead zone: no towers from any source |
| San Antonio | 831 | 1 | Crowdsourced signal only (no registered tower) |
| Santa Maria | 1,350 | 0 | Dead zone: no towers from any source |
| Santa Theresa | 1,119 | 0 | Dead zone: no towers from any source |
| Tambong | 2,798 | 0 | Dead zone: no towers from any source |