Kalamansig comprises 15 barangays with an estimated population of 47,109. 13 of its barangays (87%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bantogon (Santa Clara) | 8,933 | 0 | Dead zone: no towers from any source |
| Cadiz | 3,622 | 0 | Dead zone: no towers from any source |
| Datu Ito Andong | 2,651 | 0 | Dead zone: no towers from any source |
| Datu Wasay | 3,500 | 0 | Dead zone: no towers from any source |
| Dumangas Nuevo | 742 | 0 | Dead zone: no towers from any source |
| Hinalaan | 1,866 | 0 | Dead zone: no towers from any source |
| Limulan | 1,801 | 0 | Dead zone: no towers from any source |
| Nalilidan | 3,937 | 0 | Dead zone: no towers from any source |
| Obial | 5,991 | 0 | Dead zone: no towers from any source |
| Pag-asa | 1,153 | 3 | Crowdsourced signal only (no registered tower) |
| Paril | 1,893 | 0 | Dead zone: no towers from any source |
| Poblacion | 2,351 | 2 | Crowdsourced signal only (no registered tower) |
| Sabanal | 2,561 | 0 | Dead zone: no towers from any source |
| Sangay | 3,967 | 0 | Dead zone: no towers from any source |
| Santa Maria | 2,141 | 0 | Dead zone: no towers from any source |