Tuba comprises 13 barangays with an estimated population of 47,209. 1 of its barangays (8%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Ansagan | 772 | 0 | Dead zone: no towers from any source |
| Camp 3 | 10,833 | 20 | Crowdsourced signal only (no registered tower) |
| Camp 4 | 7,771 | 45 | Crowdsourced signal only (no registered tower) |
| Camp One | 809 | 30 | Crowdsourced signal only (no registered tower) |
| Nangalisan | 4,329 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion | 6,362 | 73 | Crowdsourced signal only (no registered tower) |
| San Pascual | 1,750 | 3 | Crowdsourced signal only (no registered tower) |
| Tabaan Norte | 2,082 | 4 | Crowdsourced signal only (no registered tower) |
| Tabaan Sur | 1,681 | 10 | Crowdsourced signal only (no registered tower) |
| Tadiangan | 4,744 | 13 | Crowdsourced signal only (no registered tower) |
| Taloy Norte | 1,309 | 30 | Crowdsourced signal only (no registered tower) |
| Taloy Sur | 2,983 | 93 | Crowdsourced signal only (no registered tower) |
| Twin Peaks | 1,784 | 15 | Crowdsourced signal only (no registered tower) |