Anahawan comprises 14 barangays with an estimated population of 6,931. 10 of its barangays (71%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Amagusan | 459 | 2 | Crowdsourced signal only (no registered tower) |
| Calintaan | 433 | 0 | Dead zone: no towers from any source |
| Canlabian | 836 | 0 | Dead zone: no towers from any source |
| Capacuhan | 98 | 0 | Dead zone: no towers from any source |
| Cogon | 162 | 0 | Dead zone: no towers from any source |
| Kagingkingan | 154 | 0 | Dead zone: no towers from any source |
| Lewing | 530 | 0 | Dead zone: no towers from any source |
| Lo-ok | 1,318 | 1 | Crowdsourced signal only (no registered tower) |
| Mahalo | 734 | 2 | Crowdsourced signal only (no registered tower) |
| Mainit | 147 | 0 | Dead zone: no towers from any source |
| Manigawong | 49 | 0 | Dead zone: no towers from any source |
| Poblacion | 559 | 0 | Dead zone: no towers from any source |
| San Vicente | 769 | 0 | Dead zone: no towers from any source |
| Tagup-on | 683 | 2 | Crowdsourced signal only (no registered tower) |