San Pascual comprises 22 barangays with an estimated population of 42,282. 21 of its barangays (95%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Boca Chica | 1,816 | 0 | Dead zone: no towers from any source |
| Bolod (Pob.) | 3,825 | 6 | Crowdsourced signal only (no registered tower) |
| Busing | 1,218 | 0 | Dead zone: no towers from any source |
| Cueva | 3,080 | 0 | Dead zone: no towers from any source |
| Dangcalan | 2,058 | 0 | Dead zone: no towers from any source |
| Halabangbaybay | 1,338 | 0 | Dead zone: no towers from any source |
| Iniwaran | 1,467 | 0 | Dead zone: no towers from any source |
| Ki-Buaya (Rizal) | 422 | 0 | Dead zone: no towers from any source |
| Ki-Romero (Roxas) | 1,971 | 0 | Dead zone: no towers from any source |
| Laurente | 798 | 0 | Dead zone: no towers from any source |
| Mabini | 2,502 | 0 | Dead zone: no towers from any source |
| Mabuhay | 1,015 | 0 | Dead zone: no towers from any source |
| Malaking Ilog | 1,616 | 0 | Dead zone: no towers from any source |
| Mapanique | 2,248 | 0 | Dead zone: no towers from any source |
| Nazareno | 1,329 | 0 | Dead zone: no towers from any source |
| Pinamasingan | 2,648 | 0 | Dead zone: no towers from any source |
| Quintina | 1,672 | 0 | Dead zone: no towers from any source |
| San Jose | 1,223 | 0 | Dead zone: no towers from any source |
| San Pedro | 3,786 | 0 | Dead zone: no towers from any source |
| San Rafael | 3,357 | 0 | Dead zone: no towers from any source |
| Santa Cruz | 1,889 | 0 | Dead zone: no towers from any source |
| Terraplin (Pob.) | 1,004 | 0 | Dead zone: no towers from any source |