Calauag comprises 81 barangays with an estimated population of 59,239. 62 of its barangays (77%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agoho | 84 | 0 | Dead zone: no towers from any source |
| Anahawan | 575 | 0 | Dead zone: no towers from any source |
| Anas | 839 | 0 | Dead zone: no towers from any source |
| Apad Lutao | 836 | 0 | Dead zone: no towers from any source |
| Apad Quezon | 634 | 0 | Dead zone: no towers from any source |
| Apad Taisan | 190 | 0 | Dead zone: no towers from any source |
| Atulayan | 869 | 0 | Dead zone: no towers from any source |
| Baclaran | 167 | 0 | Dead zone: no towers from any source |
| Bagong Silang | 542 | 6 | Crowdsourced signal only (no registered tower) |
| Balibago | 177 | 0 | Dead zone: no towers from any source |
| Bangkuruhan | 222 | 0 | Dead zone: no towers from any source |
| Bantolinao | 582 | 0 | Dead zone: no towers from any source |
| Barangay I (Pob.) | 153 | 0 | Dead zone: no towers from any source |
| Barangay II (Pob.) | 48 | 1 | Crowdsourced signal only (no registered tower) |
| Barangay III (Pob.) | 159 | 1 | Crowdsourced signal only (no registered tower) |
| Barangay IV (Pob.) | 27 | 1 | Crowdsourced signal only (no registered tower) |
| Barangay V (Pob.) | 146 | 0 | Dead zone: no towers from any source |
| Bigaan | 3,205 | 0 | Dead zone: no towers from any source |
| Binutas | 600 | 5 | Crowdsourced signal only (no registered tower) |
| Biyan | 1,233 | 2 | Crowdsourced signal only (no registered tower) |
| Bukal | 437 | 0 | Dead zone: no towers from any source |
| Buli | 391 | 0 | Dead zone: no towers from any source |
| Dapdap | 674 | 0 | Dead zone: no towers from any source |
| Dominlog | 310 | 0 | Dead zone: no towers from any source |
| Doña Aurora | 1,685 | 6 | Crowdsourced signal only (no registered tower) |
| Guinosayan | 186 | 0 | Dead zone: no towers from any source |
| Ipil | 520 | 0 | Dead zone: no towers from any source |
| Kalibo (Santa Cruz) | 439 | 1 | Crowdsourced signal only (no registered tower) |
| Kapaluhan | 548 | 0 | Dead zone: no towers from any source |
| Katangtang | 495 | 0 | Dead zone: no towers from any source |
| Kigtan | 503 | 1 | Crowdsourced signal only (no registered tower) |
| Kinalin Ibaba | 340 | 0 | Dead zone: no towers from any source |
| Kinalin Ilaya | 171 | 0 | Dead zone: no towers from any source |
| Kinamaligan | 316 | 0 | Dead zone: no towers from any source |
| Kumaludkud | 655 | 0 | Dead zone: no towers from any source |
| Kunalum | 379 | 0 | Dead zone: no towers from any source |
| Kuyaoyao | 273 | 0 | Dead zone: no towers from any source |
| Lagay | 558 | 0 | Dead zone: no towers from any source |
| Lainglaingan | 294 | 0 | Dead zone: no towers from any source |
| Lungib | 288 | 2 | Crowdsourced signal only (no registered tower) |
| Mabini | 368 | 0 | Dead zone: no towers from any source |
| Madlangdungan | 783 | 5 | Crowdsourced signal only (no registered tower) |
| Maglipad (Rosario) | 789 | 0 | Dead zone: no towers from any source |
| Maligaya | 329 | 0 | Dead zone: no towers from any source |
| Mambaling | 390 | 0 | Dead zone: no towers from any source |
| Manhulugin | 155 | 0 | Dead zone: no towers from any source |
| Marilag (Punaya) | 901 | 0 | Dead zone: no towers from any source |
| Mulay | 148 | 0 | Dead zone: no towers from any source |
| Pandanan | 332 | 0 | Dead zone: no towers from any source |
| Pansol | 566 | 0 | Dead zone: no towers from any source |
| Patihan | 2,171 | 2 | Crowdsourced signal only (no registered tower) |
| Pinagbayanan | 3,682 | 0 | Dead zone: no towers from any source |
| Pinagkamaligan | 1,164 | 2 | Crowdsourced signal only (no registered tower) |
| Pinagsakahan | 379 | 0 | Dead zone: no towers from any source |
| Pinagtalleran | 920 | 0 | Dead zone: no towers from any source |
| Rizal Ibaba | 547 | 0 | Dead zone: no towers from any source |
| Rizal Ilaya | 415 | 0 | Dead zone: no towers from any source |
| Sabang I | 321 | 1 | Crowdsourced signal only (no registered tower) |
| Sabang II | 2,057 | 0 | Dead zone: no towers from any source |
| Salvacion | 239 | 0 | Dead zone: no towers from any source |
| San Quintin | 244 | 0 | Dead zone: no towers from any source |
| San Roque Ibaba | 788 | 0 | Dead zone: no towers from any source |
| San Roque Ilaya | 743 | 0 | Dead zone: no towers from any source |
| Santa Cecilia | 520 | 0 | Dead zone: no towers from any source |
| Santa Maria | 7,510 | 34 | Crowdsourced signal only (no registered tower) |
| Santa Milagrosa | 1,110 | 0 | Dead zone: no towers from any source |
| Santa Rosa | 254 | 0 | Dead zone: no towers from any source |
| Santo Angel (Pangahoy) | 716 | 0 | Dead zone: no towers from any source |
| Santo Domingo | 2,073 | 6 | Crowdsourced signal only (no registered tower) |
| Sinag | 309 | 0 | Dead zone: no towers from any source |
| Sumilang | 643 | 6 | Crowdsourced signal only (no registered tower) |
| Sumulong | 753 | 5 | Crowdsourced signal only (no registered tower) |
| Tabansak | 797 | 0 | Dead zone: no towers from any source |
| Talingting | 973 | 0 | Dead zone: no towers from any source |
| Tamis | 981 | 0 | Dead zone: no towers from any source |
| Tikiwan | 171 | 0 | Dead zone: no towers from any source |
| Tiniguiban | 920 | 0 | Dead zone: no towers from any source |
| Villa Magsino | 121 | 0 | Dead zone: no towers from any source |
| Villa San Isidro | 1,116 | 0 | Dead zone: no towers from any source |
| Viñas | 364 | 4 | Crowdsourced signal only (no registered tower) |
| Yaganak | 727 | 0 | Dead zone: no towers from any source |