San Francisco (Aurora) comprises 16 barangays with an estimated population of 66,499. 15 of its barangays (94%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Butanguiad | 5,991 | 0 | Dead zone: no towers from any source |
| Casay | 2,260 | 0 | Dead zone: no towers from any source |
| Cawayan I | 2,623 | 0 | Dead zone: no towers from any source |
| Cawayan II | 3,413 | 0 | Dead zone: no towers from any source |
| Don Juan Vercelos | 3,709 | 0 | Dead zone: no towers from any source |
| Huyon-Uyon | 4,920 | 0 | Dead zone: no towers from any source |
| Ibabang Tayuman | 1,757 | 0 | Dead zone: no towers from any source |
| Ilayang Tayuman | 4,441 | 0 | Dead zone: no towers from any source |
| Inabuan | 5,422 | 0 | Dead zone: no towers from any source |
| Mabuñga | 2,419 | 0 | Dead zone: no towers from any source |
| Nasalaan | 2,690 | 0 | Dead zone: no towers from any source |
| Pagsangahan | 8,827 | 0 | Dead zone: no towers from any source |
| Poblacion | 6,841 | 8 | Crowdsourced signal only (no registered tower) |
| Pugon | 3,068 | 0 | Dead zone: no towers from any source |
| Santo Niño | 4,655 | 0 | Dead zone: no towers from any source |
| Silongin | 3,463 | 0 | Dead zone: no towers from any source |