Milaor comprises 20 barangays with an estimated population of 37,366. 6 of its barangays (30%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alimbuyog | 852 | 0 | Dead zone: no towers from any source |
| Amparado (Pob.) | 211 | 0 | Dead zone: no towers from any source |
| Balagbag | 658 | 7 | Crowdsourced signal only (no registered tower) |
| Borongborongan | 2,022 | 1 | Crowdsourced signal only (no registered tower) |
| Cabugao | 942 | 0 | Dead zone: no towers from any source |
| Capucnasan | 6,581 | 5 | Verified coverage (NTC + crowdsourced) |
| Dalipay | 3,502 | 1 | Crowdsourced signal only (no registered tower) |
| Del Rosario (Pob.) | 3,077 | 2 | Crowdsourced signal only (no registered tower) |
| Flordeliz | 1,529 | 3 | Crowdsourced signal only (no registered tower) |
| Lipot | 1,566 | 0 | Dead zone: no towers from any source |
| Mayaopayawan | 4,431 | 1 | Crowdsourced signal only (no registered tower) |
| Maycatmon | 177 | 0 | Dead zone: no towers from any source |
| Maydaso | 421 | 0 | Dead zone: no towers from any source |
| San Antonio | 2,927 | 2 | Crowdsourced signal only (no registered tower) |
| San Jose (Pob.) | 2,862 | 8 | Crowdsourced signal only (no registered tower) |
| San Miguel (Pob.) | 1,459 | 2 | Crowdsourced signal only (no registered tower) |
| San Roque (Pob.) | 415 | 1 | Crowdsourced signal only (no registered tower) |
| San Vicente (Pob.) | 863 | 3 | Crowdsourced signal only (no registered tower) |
| Santo Domingo (Pob.) | 1,554 | 1 | Crowdsourced signal only (no registered tower) |
| Tarusanan | 1,317 | 2 | Crowdsourced signal only (no registered tower) |