Tampakan comprises 14 barangays with an estimated population of 43,429. 11 of its barangays (79%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Albagan | 406 | 0 | Dead zone: no towers from any source |
| Buto | 2,242 | 0 | Dead zone: no towers from any source |
| Danlag | 899 | 0 | Dead zone: no towers from any source |
| Kipalbig | 9,842 | 5 | Crowdsourced signal only (no registered tower) |
| Lambayong | 2,963 | 0 | Dead zone: no towers from any source |
| Lampitak | 2,495 | 0 | Dead zone: no towers from any source |
| Liberty | 3,818 | 0 | Dead zone: no towers from any source |
| Maltana | 4,045 | 2 | Crowdsourced signal only (no registered tower) |
| Palo | 415 | 0 | Dead zone: no towers from any source |
| Poblacion | 8,623 | 8 | Crowdsourced signal only (no registered tower) |
| Pula-bato | 2,676 | 0 | Dead zone: no towers from any source |
| San Isidro | 923 | 0 | Dead zone: no towers from any source |
| Santa Cruz | 2,915 | 0 | Dead zone: no towers from any source |
| Tablu | 1,167 | 0 | Dead zone: no towers from any source |