Sallapadan comprises 9 barangays with an estimated population of 5,405. 9 of its barangays (100%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bazar | 780 | 0 | Dead zone: no towers from any source |
| Bilabila | 417 | 0 | Dead zone: no towers from any source |
| Gangal (Pob.) | 695 | 0 | Dead zone: no towers from any source |
| Maguyepyep | 784 | 0 | Dead zone: no towers from any source |
| Naguilian | 578 | 0 | Dead zone: no towers from any source |
| Saccaang | 706 | 0 | Dead zone: no towers from any source |
| Sallapadan | 263 | 0 | Dead zone: no towers from any source |
| Subusob | 871 | 0 | Dead zone: no towers from any source |
| Ud-udiao | 311 | 0 | Dead zone: no towers from any source |