Numancia comprises 17 barangays with an estimated population of 33,063. 3 of its barangays (18%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Albasan | 1,687 | 4 | Crowdsourced signal only (no registered tower) |
| Aliputos | 2,013 | 1 | Crowdsourced signal only (no registered tower) |
| Badio | 1,999 | 0 | Dead zone: no towers from any source |
| Bubog | 1,746 | 0 | Dead zone: no towers from any source |
| Bulwang | 3,448 | 15 | Crowdsourced signal only (no registered tower) |
| Camanci Norte | 2,950 | 1 | Crowdsourced signal only (no registered tower) |
| Camanci Sur | 1,044 | 0 | Dead zone: no towers from any source |
| Dongon East | 2,065 | 1 | Crowdsourced signal only (no registered tower) |
| Dongon West | 3,084 | 7 | Crowdsourced signal only (no registered tower) |
| Joyao-joyao | 2,186 | 6 | Crowdsourced signal only (no registered tower) |
| Laguinbanua East | 2,570 | 15 | Crowdsourced signal only (no registered tower) |
| Laguinbanua West | 2,157 | 7 | Crowdsourced signal only (no registered tower) |
| Marianos | 1,050 | 3 | Crowdsourced signal only (no registered tower) |
| Navitas | 1,303 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion | 925 | 6 | Crowdsourced signal only (no registered tower) |
| Pusiw | 1,223 | 1 | Crowdsourced signal only (no registered tower) |
| Tabangka | 1,613 | 4 | Crowdsourced signal only (no registered tower) |