Del Gallego comprises 32 barangays with an estimated population of 27,501. 20 of its barangays (62%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bagong Silang | 1,235 | 0 | Dead zone: no towers from any source |
| Bucal | 49 | 0 | Dead zone: no towers from any source |
| Cabasag | 1,219 | 3 | Crowdsourced signal only (no registered tower) |
| Comadaycaday | 1,070 | 11 | Crowdsourced signal only (no registered tower) |
| Comadogcadog | 1,566 | 11 | Crowdsourced signal only (no registered tower) |
| Domagondong | 416 | 0 | Dead zone: no towers from any source |
| Kinalangan | 687 | 0 | Dead zone: no towers from any source |
| Mabini | 567 | 0 | Dead zone: no towers from any source |
| Magais I | 1,260 | 7 | Crowdsourced signal only (no registered tower) |
| Magais II | 450 | 1 | Crowdsourced signal only (no registered tower) |
| Mansalaya | 783 | 0 | Dead zone: no towers from any source |
| Nagkalit | 1,483 | 8 | Crowdsourced signal only (no registered tower) |
| Palaspas | 514 | 0 | Dead zone: no towers from any source |
| Pamplona | 496 | 0 | Dead zone: no towers from any source |
| Pasay | 551 | 0 | Dead zone: no towers from any source |
| Pinagdapian | 491 | 3 | Crowdsourced signal only (no registered tower) |
| Pinugusan | 197 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion Zone III | 1,384 | 3 | Crowdsourced signal only (no registered tower) |
| Sabang | 1,947 | 0 | Dead zone: no towers from any source |
| Salvacion | 723 | 2 | Crowdsourced signal only (no registered tower) |
| San Juan | 1,399 | 0 | Dead zone: no towers from any source |
| San Pablo | 522 | 0 | Dead zone: no towers from any source |
| Santa Rita I | 416 | 0 | Dead zone: no towers from any source |
| Santa Rita II | 328 | 0 | Dead zone: no towers from any source |
| Sinagawsawan | 628 | 1 | Crowdsourced signal only (no registered tower) |
| Sinuknipan I | 1,543 | 2 | Crowdsourced signal only (no registered tower) |
| Sinuknipan II | 414 | 0 | Dead zone: no towers from any source |
| Sugsugin | 512 | 0 | Dead zone: no towers from any source |
| Tabion | 765 | 0 | Dead zone: no towers from any source |
| Tomagoktok | 477 | 0 | Dead zone: no towers from any source |
| Zone I Fatima (Pob.) | 622 | 0 | Dead zone: no towers from any source |
| Zone II San Antonio (Pob.) | 2,787 | 0 | Dead zone: no towers from any source |