Catmon comprises 20 barangays with an estimated population of 28,318. 13 of its barangays (65%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agsuwao | 942 | 0 | Dead zone: no towers from any source |
| Amancion | 21 | 0 | Dead zone: no towers from any source |
| Anapog | 962 | 0 | Dead zone: no towers from any source |
| Bactas | 948 | 0 | Dead zone: no towers from any source |
| Basak | 818 | 0 | Dead zone: no towers from any source |
| Binongkalan | 857 | 3 | Crowdsourced signal only (no registered tower) |
| Bongyas | 48 | 0 | Dead zone: no towers from any source |
| Cabungaan | 1,533 | 0 | Dead zone: no towers from any source |
| Cambangkaya | 399 | 0 | Dead zone: no towers from any source |
| Can-ibuang | 969 | 0 | Dead zone: no towers from any source |
| Catmondaan | 2,303 | 9 | Crowdsourced signal only (no registered tower) |
| Corazon (Pob.) | 2,579 | 6 | Crowdsourced signal only (no registered tower) |
| Duyan | 1,054 | 0 | Dead zone: no towers from any source |
| Flores (Pob.) | 2,685 | 18 | Crowdsourced signal only (no registered tower) |
| Ginabucan | 1,077 | 0 | Dead zone: no towers from any source |
| Macaas | 2,315 | 8 | Crowdsourced signal only (no registered tower) |
| Panalipan | 2,522 | 8 | Crowdsourced signal only (no registered tower) |
| San Jose Pob. (Catadman) | 4,220 | 4 | Crowdsourced signal only (no registered tower) |
| Tabili | 896 | 0 | Dead zone: no towers from any source |
| Tinabyonan | 1,170 | 0 | Dead zone: no towers from any source |