Calabanga comprises 48 barangays with an estimated population of 96,278. 39 of its barangays (81%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Balatasan | 1,322 | 0 | Dead zone: no towers from any source |
| Balombon | 468 | 0 | Dead zone: no towers from any source |
| Balongay | 2,395 | 0 | Dead zone: no towers from any source |
| Belen | 1,238 | 1 | Crowdsourced signal only (no registered tower) |
| Bigaas | 3,129 | 0 | Dead zone: no towers from any source |
| Binaliw | 2,439 | 0 | Dead zone: no towers from any source |
| Binanuaanan Grande | 1,431 | 0 | Dead zone: no towers from any source |
| Binanuaanan Pequeño | 370 | 0 | Dead zone: no towers from any source |
| Bonot-Santa Rosa | 1,242 | 0 | Dead zone: no towers from any source |
| Burabod | 1,038 | 0 | Dead zone: no towers from any source |
| Cabanbanan | 480 | 0 | Dead zone: no towers from any source |
| Cagsao | 949 | 0 | Dead zone: no towers from any source |
| Camuning | 3,592 | 0 | Dead zone: no towers from any source |
| Comaguingking | 2,860 | 1 | Crowdsourced signal only (no registered tower) |
| Del Carmen (Pob.) | 575 | 0 | Dead zone: no towers from any source |
| Dominorog | 859 | 0 | Dead zone: no towers from any source |
| Fabrica | 2,160 | 0 | Dead zone: no towers from any source |
| Harobay | 3,958 | 0 | Dead zone: no towers from any source |
| La Purisima | 2,881 | 1 | Crowdsourced signal only (no registered tower) |
| Lugsad | 1,586 | 0 | Dead zone: no towers from any source |
| Manguiring | 6,591 | 1 | Crowdsourced signal only (no registered tower) |
| Pagatpat (San Jose) | 2,092 | 0 | Dead zone: no towers from any source |
| Paolbo | 7,084 | 1 | Crowdsourced signal only (no registered tower) |
| Pinada | 1,070 | 0 | Dead zone: no towers from any source |
| Punta Tarawal | 122 | 0 | Dead zone: no towers from any source |
| Quinale | 870 | 0 | Dead zone: no towers from any source |
| Sabang | 5,894 | 0 | Dead zone: no towers from any source |
| Salvacion-Baybay | 4,221 | 1 | Crowdsourced signal only (no registered tower) |
| San Antonio (Quipayo) | 1,519 | 0 | Dead zone: no towers from any source |
| San Antonio Poblacion | 443 | 0 | Dead zone: no towers from any source |
| San Bernardino | 295 | 0 | Dead zone: no towers from any source |
| San Francisco (Pob.) | 1,117 | 0 | Dead zone: no towers from any source |
| San Isidro | 2,269 | 1 | Crowdsourced signal only (no registered tower) |
| San Lucas | 1,976 | 0 | Dead zone: no towers from any source |
| San Miguel (Pob.) | 770 | 0 | Dead zone: no towers from any source |
| San Pablo (Pob.) | 669 | 0 | Dead zone: no towers from any source |
| San Roque | 7,863 | 1 | Crowdsourced signal only (no registered tower) |
| San Vicente (Pob.) | 377 | 0 | Dead zone: no towers from any source |
| Santa Cruz Poblacion | 3,946 | 0 | Dead zone: no towers from any source |
| Santa Cruz Ratay | 2,709 | 0 | Dead zone: no towers from any source |
| Santa Isabel (Pob.) | 622 | 2 | Crowdsourced signal only (no registered tower) |
| Santa Salud (Pob.) | 1,307 | 0 | Dead zone: no towers from any source |
| Santo Domingo | 3,312 | 0 | Dead zone: no towers from any source |
| Santo Niño (Quipayo) | 429 | 0 | Dead zone: no towers from any source |
| Siba-o | 847 | 0 | Dead zone: no towers from any source |
| Sibobo | 1,459 | 0 | Dead zone: no towers from any source |
| Sogod | 781 | 0 | Dead zone: no towers from any source |
| Tomagodtod | 652 | 0 | Dead zone: no towers from any source |