Sulop comprises 25 barangays with an estimated population of 45,166. 21 of its barangays (84%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Balasinon | 448 | 0 | Dead zone: no towers from any source |
| Buguis | 36 | 0 | Dead zone: no towers from any source |
| Carre | 58 | 0 | Dead zone: no towers from any source |
| Clib | 31 | 0 | Dead zone: no towers from any source |
| Harada Butai | 1,283 | 0 | Dead zone: no towers from any source |
| Katipunan | 1,475 | 0 | Dead zone: no towers from any source |
| Kiblagon | 197 | 3 | Crowdsourced signal only (no registered tower) |
| Labon | 163 | 0 | Dead zone: no towers from any source |
| Laperas | 147 | 0 | Dead zone: no towers from any source |
| Lapla | 61 | 0 | Dead zone: no towers from any source |
| Litos | 170 | 0 | Dead zone: no towers from any source |
| Luparan | 165 | 0 | Dead zone: no towers from any source |
| Mckinley | 4,319 | 0 | Dead zone: no towers from any source |
| New Cebu | 9,035 | 0 | Dead zone: no towers from any source |
| Osmeña | 99 | 0 | Dead zone: no towers from any source |
| Palili | 2,248 | 6 | Crowdsourced signal only (no registered tower) |
| Parame | 143 | 0 | Dead zone: no towers from any source |
| Poblacion | 12,352 | 3 | Crowdsourced signal only (no registered tower) |
| Roxas | 1,964 | 0 | Dead zone: no towers from any source |
| Solongvale | 2,012 | 0 | Dead zone: no towers from any source |
| Tagolilong | 54 | 0 | Dead zone: no towers from any source |
| Tala-o | 2,681 | 0 | Dead zone: no towers from any source |
| Talas | 2,532 | 3 | Crowdsourced signal only (no registered tower) |
| Tanwalang | 3,336 | 0 | Dead zone: no towers from any source |
| Waterfall | 157 | 0 | Dead zone: no towers from any source |