Bayambang comprises 77 barangays with an estimated population of 137,261. 49 of its barangays (64%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alinggan | 1,017 | 1 | Crowdsourced signal only (no registered tower) |
| Amancosiling Norte | 1,129 | 1 | Crowdsourced signal only (no registered tower) |
| Amancosiling Sur | 2,041 | 0 | Dead zone: no towers from any source |
| Amanperez | 1,432 | 1 | Crowdsourced signal only (no registered tower) |
| Ambayat I | 907 | 0 | Dead zone: no towers from any source |
| Ambayat II | 1,260 | 0 | Dead zone: no towers from any source |
| Apalen | 4,951 | 0 | Dead zone: no towers from any source |
| Asin | 842 | 1 | Crowdsourced signal only (no registered tower) |
| Ataynan | 2,159 | 0 | Dead zone: no towers from any source |
| Bacnono | 3,430 | 0 | Dead zone: no towers from any source |
| Balaybuaya | 3,702 | 0 | Dead zone: no towers from any source |
| Banaban | 1,790 | 0 | Dead zone: no towers from any source |
| Bani | 2,073 | 1 | Crowdsourced signal only (no registered tower) |
| Batangcaoa | 1,293 | 0 | Dead zone: no towers from any source |
| Beleng | 1,102 | 0 | Dead zone: no towers from any source |
| Bical Norte | 3,037 | 1 | Crowdsourced signal only (no registered tower) |
| Bical Sur | 794 | 0 | Dead zone: no towers from any source |
| Bongato East | 1,110 | 0 | Dead zone: no towers from any source |
| Bongato West | 2,234 | 0 | Dead zone: no towers from any source |
| Buayaen | 1,816 | 4 | Crowdsourced signal only (no registered tower) |
| Buenlag 1st | 617 | 1 | Crowdsourced signal only (no registered tower) |
| Buenlag 2nd | 634 | 0 | Dead zone: no towers from any source |
| Cadre Site | 592 | 1 | Crowdsourced signal only (no registered tower) |
| Carungay | 2,630 | 0 | Dead zone: no towers from any source |
| Caturay | 1,005 | 1 | Crowdsourced signal only (no registered tower) |
| Darawey (Tangal) | 1,514 | 0 | Dead zone: no towers from any source |
| Duera | 1,157 | 0 | Dead zone: no towers from any source |
| Dusoc | 2,490 | 0 | Dead zone: no towers from any source |
| Hermoza | 1,522 | 8 | Crowdsourced signal only (no registered tower) |
| Idong | 270 | 0 | Dead zone: no towers from any source |
| Inanlorenza | 3,196 | 0 | Dead zone: no towers from any source |
| Inirangan | 2,831 | 0 | Dead zone: no towers from any source |
| Iton | 640 | 0 | Dead zone: no towers from any source |
| Langiran | 2,310 | 0 | Dead zone: no towers from any source |
| Ligue | 1,979 | 1 | Crowdsourced signal only (no registered tower) |
| M. H. del Pilar | 649 | 0 | Dead zone: no towers from any source |
| Macayocayo | 1,736 | 0 | Dead zone: no towers from any source |
| Magsaysay | 564 | 2 | Crowdsourced signal only (no registered tower) |
| Maigpa | 3,798 | 0 | Dead zone: no towers from any source |
| Malimpec | 905 | 0 | Dead zone: no towers from any source |
| Malioer | 734 | 0 | Dead zone: no towers from any source |
| Managos | 1,857 | 0 | Dead zone: no towers from any source |
| Manambong Norte | 1,861 | 1 | Crowdsourced signal only (no registered tower) |
| Manambong Parte | 4,089 | 5 | Crowdsourced signal only (no registered tower) |
| Manambong Sur | 3,518 | 1 | Crowdsourced signal only (no registered tower) |
| Mangayao | 924 | 1 | Crowdsourced signal only (no registered tower) |
| Nalsian Norte | 2,352 | 0 | Dead zone: no towers from any source |
| Nalsian Sur | 1,363 | 0 | Dead zone: no towers from any source |
| Pangdel | 714 | 0 | Dead zone: no towers from any source |
| Pantol | 2,593 | 0 | Dead zone: no towers from any source |
| Paragos | 3,551 | 0 | Dead zone: no towers from any source |
| Poblacion Sur | 673 | 4 | Crowdsourced signal only (no registered tower) |
| Pugo | 1,286 | 0 | Dead zone: no towers from any source |
| Reynado | 1,627 | 0 | Dead zone: no towers from any source |
| San Gabriel 1st | 2,713 | 0 | Dead zone: no towers from any source |
| San Gabriel 2nd | 3,008 | 0 | Dead zone: no towers from any source |
| San Vicente | 2,061 | 1 | Crowdsourced signal only (no registered tower) |
| Sancagulis | 1,935 | 0 | Dead zone: no towers from any source |
| Sanlibo | 1,183 | 0 | Dead zone: no towers from any source |
| Sapang | 2,043 | 0 | Dead zone: no towers from any source |
| Tamaro | 1,185 | 2 | Crowdsourced signal only (no registered tower) |
| Tambac | 1,102 | 0 | Dead zone: no towers from any source |
| Tampog | 637 | 0 | Dead zone: no towers from any source |
| Tanolong | 8,031 | 1 | Crowdsourced signal only (no registered tower) |
| Tatarac | 1,177 | 0 | Dead zone: no towers from any source |
| Telbang | 2,092 | 8 | Crowdsourced signal only (no registered tower) |
| Tococ East | 2,188 | 0 | Dead zone: no towers from any source |
| Tococ West | 3,155 | 0 | Dead zone: no towers from any source |
| Warding | 860 | 0 | Dead zone: no towers from any source |
| Wawa | 2,043 | 1 | Crowdsourced signal only (no registered tower) |
| Zone I (Pob.) | 1,121 | 0 | Dead zone: no towers from any source |
| Zone II (Pob.) | 281 | 1 | Crowdsourced signal only (no registered tower) |
| Zone III (Pob.) | 274 | 0 | Dead zone: no towers from any source |
| Zone IV (Pob.) | 177 | 3 | Crowdsourced signal only (no registered tower) |
| Zone V (Pob.) | 500 | 1 | Crowdsourced signal only (no registered tower) |
| Zone VI (Pob.) | 1,794 | 1 | Crowdsourced signal only (no registered tower) |
| Zone VII (Pob.) | 1,401 | 1 | Crowdsourced signal only (no registered tower) |