City of Tayabas comprises 66 barangays with an estimated population of 106,811. 39 of its barangays (59%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alitao | 174 | 0 | Dead zone: no towers from any source |
| Alsam Ibaba | 850 | 1 | Crowdsourced signal only (no registered tower) |
| Alsam Ilaya | 103 | 0 | Dead zone: no towers from any source |
| Alupay | 280 | 0 | Dead zone: no towers from any source |
| Angeles Zone I (Pob.) | 340 | 0 | Dead zone: no towers from any source |
| Angeles Zone II | 31 | 2 | Crowdsourced signal only (no registered tower) |
| Angeles Zone III | 9 | 0 | Dead zone: no towers from any source |
| Angeles Zone IV | 82 | 3 | Crowdsourced signal only (no registered tower) |
| Angustias Zone I (Pob.) | 12 | 1 | Crowdsourced signal only (no registered tower) |
| Angustias Zone II | 10 | 0 | Dead zone: no towers from any source |
| Angustias Zone III | 154 | 0 | Dead zone: no towers from any source |
| Angustias Zone IV | 49 | 1 | Crowdsourced signal only (no registered tower) |
| Anos | 2,237 | 0 | Dead zone: no towers from any source |
| Ayaas | 1,650 | 1 | Crowdsourced signal only (no registered tower) |
| Baguio | 1,827 | 0 | Dead zone: no towers from any source |
| Banilad | 368 | 0 | Dead zone: no towers from any source |
| Bukal Ibaba | 585 | 1 | Crowdsourced signal only (no registered tower) |
| Bukal Ilaya | 1,896 | 0 | Dead zone: no towers from any source |
| Calantas | 474 | 0 | Dead zone: no towers from any source |
| Calumpang | 4,761 | 25 | Crowdsourced signal only (no registered tower) |
| Camaysa | 2,942 | 4 | Crowdsourced signal only (no registered tower) |
| Dapdap | 3,552 | 6 | Crowdsourced signal only (no registered tower) |
| Domoit Kanluran | 399 | 0 | Dead zone: no towers from any source |
| Domoit Silangan | 925 | 2 | Crowdsourced signal only (no registered tower) |
| Gibanga | 2,351 | 0 | Dead zone: no towers from any source |
| Ibas | 1,394 | 4 | Crowdsourced signal only (no registered tower) |
| Ilasan Ibaba | 983 | 0 | Dead zone: no towers from any source |
| Ilasan Ilaya | 2,749 | 0 | Dead zone: no towers from any source |
| Ipilan | 1,758 | 1 | Crowdsourced signal only (no registered tower) |
| Isabang | 8,460 | 37 | Crowdsourced signal only (no registered tower) |
| Katigan Kanluran | 149 | 0 | Dead zone: no towers from any source |
| Katigan Silangan | 371 | 0 | Dead zone: no towers from any source |
| Lakawan | 1,124 | 2 | Crowdsourced signal only (no registered tower) |
| Lalo | 9,292 | 4 | Crowdsourced signal only (no registered tower) |
| Lawigue | 1,675 | 5 | Crowdsourced signal only (no registered tower) |
| Lita (Pob.) | 86 | 2 | Crowdsourced signal only (no registered tower) |
| Malaoa | 973 | 1 | Crowdsourced signal only (no registered tower) |
| Masin | 1,170 | 0 | Dead zone: no towers from any source |
| Mate | 758 | 0 | Dead zone: no towers from any source |
| Mateuna | 6,307 | 2 | Crowdsourced signal only (no registered tower) |
| Mayowe | 872 | 0 | Dead zone: no towers from any source |
| Nangka Ibaba | 427 | 0 | Dead zone: no towers from any source |
| Nangka Ilaya | 1,109 | 3 | Crowdsourced signal only (no registered tower) |
| Opias | 19,343 | 0 | Dead zone: no towers from any source |
| Palale Ibaba | 4,293 | 0 | Dead zone: no towers from any source |
| Palale Ilaya | 595 | 0 | Dead zone: no towers from any source |
| Palale Kanluran | 1,062 | 0 | Dead zone: no towers from any source |
| Palale Silangan | 3,931 | 0 | Dead zone: no towers from any source |
| Pandakaki | 711 | 0 | Dead zone: no towers from any source |
| Pook | 669 | 0 | Dead zone: no towers from any source |
| Potol | 1,538 | 0 | Dead zone: no towers from any source |
| San Diego Zone I (Pob.) | 31 | 1 | Crowdsourced signal only (no registered tower) |
| San Diego Zone II | 20 | 1 | Crowdsourced signal only (no registered tower) |
| San Diego Zone III | 10 | 0 | Dead zone: no towers from any source |
| San Diego Zone IV | 0 | 0 | Dead zone: no towers from any source |
| San Isidro Zone I (Pob.) | 65 | 0 | Dead zone: no towers from any source |
| San Isidro Zone II | 21 | 0 | Dead zone: no towers from any source |
| San Isidro Zone III | 35 | 1 | Crowdsourced signal only (no registered tower) |
| San Isidro Zone IV | 41 | 0 | Dead zone: no towers from any source |
| San Roque Zone I (Pob.) | 21 | 5 | Crowdsourced signal only (no registered tower) |
| San Roque Zone II | 570 | 0 | Dead zone: no towers from any source |
| Talolong | 928 | 0 | Dead zone: no towers from any source |
| Tamlong | 246 | 0 | Dead zone: no towers from any source |
| Tongko | 3,288 | 2 | Crowdsourced signal only (no registered tower) |
| Valencia | 689 | 0 | Dead zone: no towers from any source |
| Wakas | 2,986 | 5 | Crowdsourced signal only (no registered tower) |