Mondragon comprises 24 barangays with an estimated population of 44,258. 23 of its barangays (96%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bagasbas | 833 | 0 | Dead zone: no towers from any source |
| Bugko | 6,900 | 0 | Dead zone: no towers from any source |
| Cablangan | 790 | 0 | Dead zone: no towers from any source |
| Cagmanaba | 139 | 0 | Dead zone: no towers from any source |
| Cahicsan | 741 | 0 | Dead zone: no towers from any source |
| Chitongco (Pob.) | 4,037 | 0 | Dead zone: no towers from any source |
| De Maria | 486 | 0 | Dead zone: no towers from any source |
| Doña Lucia | 2,179 | 0 | Dead zone: no towers from any source |
| Eco (Pob.) | 2,447 | 0 | Dead zone: no towers from any source |
| Flormina | 396 | 0 | Dead zone: no towers from any source |
| Hinabangan | 394 | 0 | Dead zone: no towers from any source |
| Imelda | 2,324 | 0 | Dead zone: no towers from any source |
| La Trinidad | 575 | 0 | Dead zone: no towers from any source |
| Makiwalo | 9,066 | 2 | Crowdsourced signal only (no registered tower) |
| Mirador | 1,531 | 0 | Dead zone: no towers from any source |
| Nenita | 4,526 | 0 | Dead zone: no towers from any source |
| Roxas | 360 | 0 | Dead zone: no towers from any source |
| San Agustin | 2,021 | 0 | Dead zone: no towers from any source |
| San Antonio | 806 | 0 | Dead zone: no towers from any source |
| San Isidro | 609 | 0 | Dead zone: no towers from any source |
| San Jose | 1,002 | 0 | Dead zone: no towers from any source |
| San Juan | 1,156 | 0 | Dead zone: no towers from any source |
| Santa Catalina | 591 | 0 | Dead zone: no towers from any source |
| Talolora | 349 | 0 | Dead zone: no towers from any source |