Gattaran comprises 50 barangays with an estimated population of 74,710. 30 of its barangays (60%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Abra | 1,464 | 0 | Dead zone: no towers from any source |
| Aguiguican | 3,340 | 3 | Crowdsourced signal only (no registered tower) |
| Bangatan Ngagan | 1,199 | 1 | Crowdsourced signal only (no registered tower) |
| Baracaoit | 4,033 | 1 | Crowdsourced signal only (no registered tower) |
| Baraoidan | 257 | 0 | Dead zone: no towers from any source |
| Barbarit | 998 | 0 | Dead zone: no towers from any source |
| Basao | 1,160 | 0 | Dead zone: no towers from any source |
| Bolos Point | 1,441 | 0 | Dead zone: no towers from any source |
| Cabayu | 1,089 | 0 | Dead zone: no towers from any source |
| Calaoagan Bassit | 2,038 | 0 | Dead zone: no towers from any source |
| Calaoagan Dackel | 613 | 0 | Dead zone: no towers from any source |
| Capiddigan | 903 | 2 | Crowdsourced signal only (no registered tower) |
| Capissayan Norte | 2,020 | 1 | Crowdsourced signal only (no registered tower) |
| Capissayan Sur | 2,720 | 1 | Crowdsourced signal only (no registered tower) |
| Casicallan Norte | 1,263 | 1 | Crowdsourced signal only (no registered tower) |
| Casicallan Sur | 872 | 0 | Dead zone: no towers from any source |
| Centro Norte (Pob.) | 1,756 | 1 | Crowdsourced signal only (no registered tower) |
| Centro Sur (Pob.) | 1,908 | 7 | Crowdsourced signal only (no registered tower) |
| Cullit | 893 | 1 | Crowdsourced signal only (no registered tower) |
| Cumao | 1,496 | 1 | Crowdsourced signal only (no registered tower) |
| Cunig | 737 | 0 | Dead zone: no towers from any source |
| Dummun | 1,160 | 0 | Dead zone: no towers from any source |
| Fugu | 883 | 12 | Crowdsourced signal only (no registered tower) |
| Ganzano | 846 | 0 | Dead zone: no towers from any source |
| Guising | 1,000 | 3 | Crowdsourced signal only (no registered tower) |
| L. Adviento | 429 | 2 | Crowdsourced signal only (no registered tower) |
| Langgan | 533 | 0 | Dead zone: no towers from any source |
| Lapogan | 1,957 | 2 | Crowdsourced signal only (no registered tower) |
| Mabuno | 5,414 | 0 | Dead zone: no towers from any source |
| Nabaccayan | 2,866 | 0 | Dead zone: no towers from any source |
| Naddungan | 3,235 | 1 | Crowdsourced signal only (no registered tower) |
| Nagatutuan | 555 | 0 | Dead zone: no towers from any source |
| Nassiping | 1,329 | 2 | Crowdsourced signal only (no registered tower) |
| Newagac | 3,541 | 1 | Crowdsourced signal only (no registered tower) |
| Palagao Norte | 1,924 | 0 | Dead zone: no towers from any source |
| Palagao Sur | 1,648 | 0 | Dead zone: no towers from any source |
| Piña Este | 1,631 | 0 | Dead zone: no towers from any source |
| Piña Weste | 1,751 | 0 | Dead zone: no towers from any source |
| San Carlos | 735 | 0 | Dead zone: no towers from any source |
| San Vicente | 2,839 | 1 | Crowdsourced signal only (no registered tower) |
| Sidem | 1,118 | 0 | Dead zone: no towers from any source |
| Sta. Ana | 273 | 0 | Dead zone: no towers from any source |
| Sta. Maria | 1,069 | 0 | Dead zone: no towers from any source |
| T. Elizaga (Mabirbira) | 766 | 1 | Crowdsourced signal only (no registered tower) |
| Tagumay | 1,298 | 0 | Dead zone: no towers from any source |
| Takiki | 806 | 0 | Dead zone: no towers from any source |
| Taligan | 313 | 0 | Dead zone: no towers from any source |
| Tanglagan | 1,934 | 0 | Dead zone: no towers from any source |
| Tubungan Este | 294 | 0 | Dead zone: no towers from any source |
| Tubungan Weste | 363 | 0 | Dead zone: no towers from any source |