Balayan comprises 48 barangays with an estimated population of 84,631. 27 of its barangays (56%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Baclaran | 2,168 | 0 | Dead zone: no towers from any source |
| Barangay 1 (Pob.) | 3,326 | 2 | Crowdsourced signal only (no registered tower) |
| Barangay 10 (Pob.) | 2,875 | 0 | Dead zone: no towers from any source |
| Barangay 11 (Pob.) | 1,079 | 0 | Dead zone: no towers from any source |
| Barangay 12 (Pob.) | 631 | 2 | Crowdsourced signal only (no registered tower) |
| Barangay 2 (Pob.) | 587 | 0 | Dead zone: no towers from any source |
| Barangay 3 (Pob.) | 1,847 | 0 | Dead zone: no towers from any source |
| Barangay 4 (Pob.) | 2,646 | 0 | Dead zone: no towers from any source |
| Barangay 5 (Pob.) | 2,378 | 0 | Dead zone: no towers from any source |
| Barangay 6 (Pob.) | 2,274 | 0 | Dead zone: no towers from any source |
| Barangay 7 (Pob.) | 929 | 2 | Crowdsourced signal only (no registered tower) |
| Barangay 8 (Pob.) | 923 | 0 | Dead zone: no towers from any source |
| Barangay 9 (Pob.) | 668 | 0 | Dead zone: no towers from any source |
| Calan | 854 | 0 | Dead zone: no towers from any source |
| Caloocan | 6,001 | 2 | Crowdsourced signal only (no registered tower) |
| Calzada | 1,458 | 12 | Crowdsourced signal only (no registered tower) |
| Canda | 1,595 | 0 | Dead zone: no towers from any source |
| Carenahan | 1,798 | 0 | Dead zone: no towers from any source |
| Caybunga | 979 | 3 | Crowdsourced signal only (no registered tower) |
| Cayponce | 1,882 | 3 | Crowdsourced signal only (no registered tower) |
| Dalig | 2,246 | 0 | Dead zone: no towers from any source |
| Dao | 1,465 | 0 | Dead zone: no towers from any source |
| Dilao | 1,352 | 0 | Dead zone: no towers from any source |
| Duhatan | 1,447 | 2 | Crowdsourced signal only (no registered tower) |
| Durungao | 805 | 3 | Crowdsourced signal only (no registered tower) |
| Gimalas | 1,137 | 3 | Crowdsourced signal only (no registered tower) |
| Gumamela | 1,325 | 8 | Crowdsourced signal only (no registered tower) |
| Lagnas | 857 | 0 | Dead zone: no towers from any source |
| Lanatan | 1,789 | 7 | Crowdsourced signal only (no registered tower) |
| Langgangan | 1,314 | 2 | Crowdsourced signal only (no registered tower) |
| Lucban Pook | 1,751 | 2 | Crowdsourced signal only (no registered tower) |
| Lucban Putol | 1,466 | 1 | Crowdsourced signal only (no registered tower) |
| Magabe | 1,910 | 0 | Dead zone: no towers from any source |
| Malalay | 1,169 | 0 | Dead zone: no towers from any source |
| Munting Tubig | 2,289 | 5 | Crowdsourced signal only (no registered tower) |
| Navotas | 4,272 | 0 | Dead zone: no towers from any source |
| Palikpikan | 978 | 0 | Dead zone: no towers from any source |
| Patugo | 1,855 | 0 | Dead zone: no towers from any source |
| Pooc | 2,734 | 3 | Crowdsourced signal only (no registered tower) |
| Sambat | 1,804 | 2 | Crowdsourced signal only (no registered tower) |
| Sampaga | 1,854 | 6 | Crowdsourced signal only (no registered tower) |
| San Juan | 1,603 | 2 | Crowdsourced signal only (no registered tower) |
| San Piro | 2,298 | 0 | Dead zone: no towers from any source |
| Santol | 2,623 | 0 | Dead zone: no towers from any source |
| Sukol | 1,199 | 0 | Dead zone: no towers from any source |
| Tactac | 1,142 | 0 | Dead zone: no towers from any source |
| Taludtud | 1,436 | 0 | Dead zone: no towers from any source |
| Tanggoy | 1,613 | 3 | Crowdsourced signal only (no registered tower) |