Asturias comprises 27 barangays with an estimated population of 51,625. 15 of its barangays (56%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agbanga | 683 | 0 | Dead zone: no towers from any source |
| Agtugop | 1,032 | 0 | Dead zone: no towers from any source |
| Bago | 1,743 | 1 | Crowdsourced signal only (no registered tower) |
| Bairan | 751 | 1 | Crowdsourced signal only (no registered tower) |
| Banban | 1,129 | 0 | Dead zone: no towers from any source |
| Baye | 1,143 | 0 | Dead zone: no towers from any source |
| Bog-o | 548 | 0 | Dead zone: no towers from any source |
| Kaluangan | 367 | 0 | Dead zone: no towers from any source |
| Lanao | 1,607 | 0 | Dead zone: no towers from any source |
| Langub | 3,660 | 0 | Dead zone: no towers from any source |
| Looc Norte | 5,264 | 3 | Crowdsourced signal only (no registered tower) |
| Lunas | 1,600 | 0 | Dead zone: no towers from any source |
| Magcalape | 894 | 0 | Dead zone: no towers from any source |
| Manguiao | 1,740 | 1 | Crowdsourced signal only (no registered tower) |
| New Bago | 1,375 | 0 | Dead zone: no towers from any source |
| Owak | 3,787 | 9 | Crowdsourced signal only (no registered tower) |
| Poblacion | 5,412 | 8 | Crowdsourced signal only (no registered tower) |
| Saksak | 208 | 0 | Dead zone: no towers from any source |
| San Isidro | 3,886 | 1 | Crowdsourced signal only (no registered tower) |
| San Roque | 2,300 | 1 | Crowdsourced signal only (no registered tower) |
| Santa Lucia | 3,878 | 4 | Crowdsourced signal only (no registered tower) |
| Santa Rita | 819 | 0 | Dead zone: no towers from any source |
| Tag-amakan | 1,020 | 1 | Crowdsourced signal only (no registered tower) |
| Tagbubonga | 329 | 1 | Crowdsourced signal only (no registered tower) |
| Tubigagmanok | 4,872 | 4 | Crowdsourced signal only (no registered tower) |
| Tubod | 810 | 0 | Dead zone: no towers from any source |
| Ubogon | 768 | 0 | Dead zone: no towers from any source |