Luba comprises 8 barangays with an estimated population of 6,957. 8 of its barangays (100%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Ampalioc | 1,545 | 0 | Dead zone: no towers from any source |
| Barit | 590 | 0 | Dead zone: no towers from any source |
| Gayaman | 627 | 0 | Dead zone: no towers from any source |
| Lul-luno | 504 | 0 | Dead zone: no towers from any source |
| Luzong | 947 | 0 | Dead zone: no towers from any source |
| Nagbukel-Tuquipa | 884 | 0 | Dead zone: no towers from any source |
| Poblacion | 1,186 | 0 | Dead zone: no towers from any source |
| Sabnangan | 674 | 0 | Dead zone: no towers from any source |