Indanan comprises 34 barangays with an estimated population of 33,235. 31 of its barangays (91%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Adjid | 725 | 0 | Dead zone: no towers from any source |
| Bangalan | 558 | 0 | Dead zone: no towers from any source |
| Bato-bato | 1,189 | 0 | Dead zone: no towers from any source |
| Buanza | 873 | 0 | Dead zone: no towers from any source |
| Bud-Taran | 473 | 0 | Dead zone: no towers from any source |
| Bunut | 677 | 0 | Dead zone: no towers from any source |
| Jati-Tunggal | 597 | 0 | Dead zone: no towers from any source |
| Kabbon Maas | 505 | 0 | Dead zone: no towers from any source |
| Kagay | 819 | 0 | Dead zone: no towers from any source |
| Kajatian | 11,029 | 12 | Crowdsourced signal only (no registered tower) |
| Kan Islam | 761 | 0 | Dead zone: no towers from any source |
| Kandang Tukay | 553 | 1 | Crowdsourced signal only (no registered tower) |
| Karawan | 601 | 0 | Dead zone: no towers from any source |
| Katian | 553 | 0 | Dead zone: no towers from any source |
| Kuppong | 566 | 0 | Dead zone: no towers from any source |
| Lambayong | 426 | 0 | Dead zone: no towers from any source |
| Langpas | 752 | 0 | Dead zone: no towers from any source |
| Licup | 528 | 1 | Crowdsourced signal only (no registered tower) |
| Malimbaya | 415 | 0 | Dead zone: no towers from any source |
| Manggis | 625 | 0 | Dead zone: no towers from any source |
| Manilop | 502 | 0 | Dead zone: no towers from any source |
| Paligue | 496 | 0 | Dead zone: no towers from any source |
| Panabuan | 733 | 0 | Dead zone: no towers from any source |
| Panglima Misuari (Sasak) | 511 | 0 | Dead zone: no towers from any source |
| Pasil | 881 | 0 | Dead zone: no towers from any source |
| Poblacion (Indanan) | 855 | 0 | Dead zone: no towers from any source |
| Sapah Malaum | 538 | 0 | Dead zone: no towers from any source |
| Sawaki | 465 | 0 | Dead zone: no towers from any source |
| Sionogan | 784 | 0 | Dead zone: no towers from any source |
| Tagbak | 865 | 0 | Dead zone: no towers from any source |
| Timbangan | 1,522 | 0 | Dead zone: no towers from any source |
| Tubig Dakulah | 669 | 0 | Dead zone: no towers from any source |
| Tubig Parang | 643 | 0 | Dead zone: no towers from any source |
| Tumantangis | 546 | 0 | Dead zone: no towers from any source |