Calauan comprises 17 barangays with an estimated population of 201,053. 3 of its barangays (18%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Balayhangin | 16,381 | 16 | Crowdsourced signal only (no registered tower) |
| Bangyas | 17,167 | 17 | Crowdsourced signal only (no registered tower) |
| Dayap | 56,354 | 14 | Crowdsourced signal only (no registered tower) |
| Hanggan | 3,768 | 7 | Crowdsourced signal only (no registered tower) |
| Imok | 4,500 | 9 | Crowdsourced signal only (no registered tower) |
| Kanluran (Pob.) | 1,434 | 4 | Crowdsourced signal only (no registered tower) |
| Lamot 1 | 5,121 | 8 | Crowdsourced signal only (no registered tower) |
| Lamot 2 | 14,051 | 9 | Crowdsourced signal only (no registered tower) |
| Limao | 10,888 | 17 | Crowdsourced signal only (no registered tower) |
| Mabacan | 10,379 | 5 | Crowdsourced signal only (no registered tower) |
| Masiit | 14,550 | 20 | Crowdsourced signal only (no registered tower) |
| Paliparan | 3,038 | 0 | Dead zone: no towers from any source |
| Perez | 8,055 | 2 | Crowdsourced signal only (no registered tower) |
| Prinza | 3,450 | 0 | Dead zone: no towers from any source |
| San Isidro | 8,455 | 0 | Dead zone: no towers from any source |
| Santo Tomas | 21,491 | 1 | Crowdsourced signal only (no registered tower) |
| Silangan (Pob.) | 1,971 | 3 | Crowdsourced signal only (no registered tower) |