Bansalan comprises 25 barangays with an estimated population of 99,300. 14 of its barangays (56%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alegre | 995 | 0 | Dead zone: no towers from any source |
| Alta Vista | 2,302 | 0 | Dead zone: no towers from any source |
| Anonang | 815 | 0 | Dead zone: no towers from any source |
| Bitaug | 299 | 0 | Dead zone: no towers from any source |
| Bonifacio | 590 | 0 | Dead zone: no towers from any source |
| Buenavista | 1,569 | 1 | Crowdsourced signal only (no registered tower) |
| Darapuay | 3,255 | 0 | Dead zone: no towers from any source |
| Dolo | 13,681 | 4 | Crowdsourced signal only (no registered tower) |
| Eman | 2,365 | 7 | Crowdsourced signal only (no registered tower) |
| Kinuskusan | 870 | 1 | Crowdsourced signal only (no registered tower) |
| Libertad | 1,835 | 0 | Dead zone: no towers from any source |
| Linawan | 3,322 | 6 | Crowdsourced signal only (no registered tower) |
| Mabuhay | 9,163 | 6 | Crowdsourced signal only (no registered tower) |
| Mabunga | 1,987 | 0 | Dead zone: no towers from any source |
| Managa | 5,591 | 0 | Dead zone: no towers from any source |
| Marber | 1,899 | 7 | Crowdsourced signal only (no registered tower) |
| New Clarin (Miral) | 8,626 | 0 | Dead zone: no towers from any source |
| Poblacion | 11,548 | 11 | Crowdsourced signal only (no registered tower) |
| Poblacion Dos | 5,838 | 10 | Crowdsourced signal only (no registered tower) |
| Rizal | 10,451 | 1 | Crowdsourced signal only (no registered tower) |
| Santo Niño | 2,931 | 0 | Dead zone: no towers from any source |
| Sibayan | 3,691 | 0 | Dead zone: no towers from any source |
| Tinongtongan | 523 | 0 | Dead zone: no towers from any source |
| Tubod | 4,303 | 4 | Crowdsourced signal only (no registered tower) |
| Union | 851 | 0 | Dead zone: no towers from any source |