Kawayan comprises 20 barangays with an estimated population of 21,276. 20 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 |
|---|---|---|---|
| Baganito | 635 | 0 | Dead zone: no towers from any source |
| Balacson | 320 | 0 | Dead zone: no towers from any source |
| Balite | 353 | 0 | Dead zone: no towers from any source |
| Bilwang | 553 | 0 | Dead zone: no towers from any source |
| Bulalacao | 966 | 0 | Dead zone: no towers from any source |
| Burabod | 1,048 | 0 | Dead zone: no towers from any source |
| Buyo | 460 | 0 | Dead zone: no towers from any source |
| Inasuyan | 633 | 0 | Dead zone: no towers from any source |
| Kansanok | 915 | 0 | Dead zone: no towers from any source |
| Mada-o | 1,398 | 0 | Dead zone: no towers from any source |
| Mapuyo | 2,678 | 0 | Dead zone: no towers from any source |
| Masagaosao | 989 | 0 | Dead zone: no towers from any source |
| Masagongsong | 739 | 0 | Dead zone: no towers from any source |
| Poblacion | 706 | 0 | Dead zone: no towers from any source |
| San Lorenzo | 809 | 0 | Dead zone: no towers from any source |
| Tabunan North | 98 | 0 | Dead zone: no towers from any source |
| Tubig Guinoo | 1,280 | 0 | Dead zone: no towers from any source |
| Tucdao | 3,092 | 0 | Dead zone: no towers from any source |
| Ungale | 2,687 | 0 | Dead zone: no towers from any source |
| Villa Cornejo (Looc) | 917 | 0 | Dead zone: no towers from any source |