Mulanay comprises 28 barangays with an estimated population of 57,853. 24 of its barangays (86%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Ajos | 1,736 | 1 | Crowdsourced signal only (no registered tower) |
| Amuguis | 990 | 0 | Dead zone: no towers from any source |
| Anonang | 690 | 0 | Dead zone: no towers from any source |
| Bagong Silang | 362 | 0 | Dead zone: no towers from any source |
| Bagupaye | 4,133 | 0 | Dead zone: no towers from any source |
| Barangay 1 (Pob.) | 1,758 | 1 | Crowdsourced signal only (no registered tower) |
| Barangay 2 (Pob.) | 3,610 | 0 | Dead zone: no towers from any source |
| Barangay 3 (Pob.) | 1,593 | 2 | Crowdsourced signal only (no registered tower) |
| Barangay 4 (Pob.) | 490 | 0 | Dead zone: no towers from any source |
| Bolo | 2,022 | 0 | Dead zone: no towers from any source |
| Buenavista | 1,239 | 0 | Dead zone: no towers from any source |
| Burgos | 1,228 | 0 | Dead zone: no towers from any source |
| Butanyog | 1,627 | 0 | Dead zone: no towers from any source |
| Canuyep | 3,789 | 0 | Dead zone: no towers from any source |
| F. Nanadiego | 1,717 | 0 | Dead zone: no towers from any source |
| Ibabang Cambuga | 6,755 | 0 | Dead zone: no towers from any source |
| Ibabang Yuni | 2,117 | 0 | Dead zone: no towers from any source |
| Ilayang Cambuga (Mabini) | 2,008 | 0 | Dead zone: no towers from any source |
| Ilayang Yuni | 2,815 | 0 | Dead zone: no towers from any source |
| Latangan | 2,093 | 0 | Dead zone: no towers from any source |
| Magsaysay | 1,358 | 0 | Dead zone: no towers from any source |
| Matataja | 1,447 | 0 | Dead zone: no towers from any source |
| Pakiing | 2,843 | 0 | Dead zone: no towers from any source |
| Patabog | 4,094 | 0 | Dead zone: no towers from any source |
| Sagongon | 283 | 0 | Dead zone: no towers from any source |
| San Isidro | 693 | 0 | Dead zone: no towers from any source |
| San Pedro | 755 | 0 | Dead zone: no towers from any source |
| Santa Rosa | 3,608 | 1 | Crowdsourced signal only (no registered tower) |