Bais City comprises 35 barangays with an estimated population of 63,897. 19 of its barangays (54%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Barangay I (Pob.) | 470 | 8 | Crowdsourced signal only (no registered tower) |
| Barangay II (Pob.) | 1,509 | 3 | Crowdsourced signal only (no registered tower) |
| Basak | 819 | 0 | Dead zone: no towers from any source |
| Biñohon | 1,994 | 0 | Dead zone: no towers from any source |
| Cabanlutan | 826 | 0 | Dead zone: no towers from any source |
| Calasga-an | 2,890 | 2 | Crowdsourced signal only (no registered tower) |
| Cambagahan | 4,670 | 0 | Dead zone: no towers from any source |
| Cambaguio | 763 | 0 | Dead zone: no towers from any source |
| Cambanjao | 757 | 0 | Dead zone: no towers from any source |
| Cambuilao | 1,351 | 10 | Crowdsourced signal only (no registered tower) |
| Canlargo | 2,852 | 12 | Crowdsourced signal only (no registered tower) |
| Capiñahan | 1,364 | 1 | Crowdsourced signal only (no registered tower) |
| Consolacion | 1,117 | 0 | Dead zone: no towers from any source |
| Dansulan | 502 | 0 | Dead zone: no towers from any source |
| Hangyad | 926 | 4 | Crowdsourced signal only (no registered tower) |
| Katacgahan (Tacgahan) | 848 | 6 | Crowdsourced signal only (no registered tower) |
| La Paz | 959 | 0 | Dead zone: no towers from any source |
| Lo-oc | 121 | 0 | Dead zone: no towers from any source |
| Lonoy | 815 | 0 | Dead zone: no towers from any source |
| Mabunao | 678 | 0 | Dead zone: no towers from any source |
| Manlipac | 3,018 | 13 | Crowdsourced signal only (no registered tower) |
| Mansangaban | 526 | 0 | Dead zone: no towers from any source |
| Okiot | 2,446 | 3 | Crowdsourced signal only (no registered tower) |
| Olympia | 335 | 0 | Dead zone: no towers from any source |
| Panala-an | 2,044 | 0 | Dead zone: no towers from any source |
| Panam-angan | 532 | 0 | Dead zone: no towers from any source |
| Rosario | 1,337 | 1 | Crowdsourced signal only (no registered tower) |
| Sab-ahan | 5,446 | 0 | Dead zone: no towers from any source |
| San Isidro | 2,654 | 4 | Crowdsourced signal only (no registered tower) |
| Tagpo | 2,652 | 0 | Dead zone: no towers from any source |
| Talungon | 6,512 | 4 | Crowdsourced signal only (no registered tower) |
| Tamisu | 4,319 | 6 | Crowdsourced signal only (no registered tower) |
| Tamogong | 1,489 | 0 | Dead zone: no towers from any source |
| Tangculogan | 3,577 | 7 | Crowdsourced signal only (no registered tower) |
| Valencia | 779 | 2 | Crowdsourced signal only (no registered tower) |