Kalawit comprises 14 barangays with an estimated population of 15,532. 9 of its barangays (64%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Batayan | 679 | 1 | Crowdsourced signal only (no registered tower) |
| Botong | 1,082 | 0 | Dead zone: no towers from any source |
| Concepcion | 628 | 0 | Dead zone: no towers from any source |
| Daniel Maing (Dominolog) | 1,985 | 0 | Dead zone: no towers from any source |
| Fatima (Lacsutan) | 1,633 | 1 | Crowdsourced signal only (no registered tower) |
| Gatas | 547 | 3 | Crowdsourced signal only (no registered tower) |
| Kalawit (Pob.) | 2,196 | 0 | Dead zone: no towers from any source |
| Marcelo | 109 | 0 | Dead zone: no towers from any source |
| New Calamba | 1,109 | 1 | Crowdsourced signal only (no registered tower) |
| Palalian | 213 | 0 | Dead zone: no towers from any source |
| Paraiso | 1,488 | 0 | Dead zone: no towers from any source |
| Pianon | 2,932 | 0 | Dead zone: no towers from any source |
| San Jose | 804 | 1 | Crowdsourced signal only (no registered tower) |
| Tugop* | 127 | 0 | Dead zone: no towers from any source |