Ibaan comprises 26 barangays with an estimated population of 61,357. 6 of its barangays (23%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bago | 2,361 | 5 | Crowdsourced signal only (no registered tower) |
| Balanga | 2,458 | 0 | Dead zone: no towers from any source |
| Bungahan | 1,334 | 0 | Dead zone: no towers from any source |
| Calamias | 1,773 | 4 | Crowdsourced signal only (no registered tower) |
| Catandala | 1,135 | 0 | Dead zone: no towers from any source |
| Coliat | 2,973 | 2 | Crowdsourced signal only (no registered tower) |
| Dayapan | 1,065 | 0 | Dead zone: no towers from any source |
| Lapu-lapu | 1,859 | 8 | Crowdsourced signal only (no registered tower) |
| Lucsuhin | 1,805 | 0 | Dead zone: no towers from any source |
| Mabalor | 1,129 | 0 | Dead zone: no towers from any source |
| Malainin | 2,445 | 52 | Crowdsourced signal only (no registered tower) |
| Matala | 3,302 | 3 | Crowdsourced signal only (no registered tower) |
| Munting-Tubig | 2,472 | 2 | Crowdsourced signal only (no registered tower) |
| Palindan | 1,939 | 7 | Crowdsourced signal only (no registered tower) |
| Pangao | 3,443 | 5 | Crowdsourced signal only (no registered tower) |
| Panghayaan | 1,996 | 2 | Crowdsourced signal only (no registered tower) |
| Poblacion | 3,146 | 3 | Crowdsourced signal only (no registered tower) |
| Quilo | 1,890 | 24 | Crowdsourced signal only (no registered tower) |
| Sabang | 2,021 | 15 | Crowdsourced signal only (no registered tower) |
| Salaban I | 1,552 | 18 | Crowdsourced signal only (no registered tower) |
| Salaban II | 1,159 | 2 | Crowdsourced signal only (no registered tower) |
| San Agustin | 3,497 | 2 | Crowdsourced signal only (no registered tower) |
| Sandalan | 1,044 | 1 | Crowdsourced signal only (no registered tower) |
| Santo Niño | 3,586 | 3 | Crowdsourced signal only (no registered tower) |
| Talaibon | 6,253 | 2 | Crowdsourced signal only (no registered tower) |
| Tulay Na Patpat | 3,720 | 6 | Crowdsourced signal only (no registered tower) |