Bamban comprises 15 barangays with an estimated population of 65,736. 2 of its barangays (13%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Anupul | 19,818 | 24 | Verified coverage (NTC + crowdsourced) |
| Banaba | 3,372 | 1 | Verified coverage (NTC + crowdsourced) |
| Bangcu | 290 | 45 | Crowdsourced signal only (no registered tower) |
| Culubasa | 1,318 | 5 | Crowdsourced signal only (no registered tower) |
| Dela Cruz | 2,843 | 2 | Crowdsourced signal only (no registered tower) |
| La Paz | 2,580 | 3 | Crowdsourced signal only (no registered tower) |
| Lourdes | 6,144 | 3 | Verified coverage (NTC + crowdsourced) |
| Malonzo | 590 | 40 | Crowdsourced signal only (no registered tower) |
| San Nicolas (Pob.) | 12,958 | 7 | Verified coverage (NTC + crowdsourced) |
| San Pedro | 2,611 | 5 | Verified coverage (NTC + crowdsourced) |
| San Rafael | 1,385 | 4 | Verified coverage (NTC + crowdsourced) |
| San Roque | 7,576 | 2 | Verified coverage (NTC + crowdsourced) |
| San Vicente | 990 | 0 | Dead zone: no towers from any source |
| Santo Niño | 459 | 0 | Dead zone: no towers from any source |
| Virgen de los Remedios (Pacalcal) | 2,802 | 2 | Crowdsourced signal only (no registered tower) |