Rajah Buayan comprises 11 barangays with an estimated population of 7,548. 10 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 |
|---|---|---|---|
| Baital | 649 | 0 | Dead zone: no towers from any source |
| Bakat | 506 | 0 | Dead zone: no towers from any source |
| Dapantis | 378 | 0 | Dead zone: no towers from any source |
| Gaunan | 481 | 0 | Dead zone: no towers from any source |
| Malibpolok | 289 | 0 | Dead zone: no towers from any source |
| Mileb | 918 | 0 | Dead zone: no towers from any source |
| Panadtaban | 886 | 0 | Dead zone: no towers from any source |
| Pidsandawan | 1,072 | 0 | Dead zone: no towers from any source |
| Sampao | 579 | 0 | Dead zone: no towers from any source |
| Sapakan (Pob.) | 1,164 | 1 | Crowdsourced signal only (no registered tower) |
| Tabungao | 626 | 0 | Dead zone: no towers from any source |