Lantapan comprises 14 barangays with an estimated population of 75,542. 7 of its barangays (50%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alanib | 8,712 | 15 | Crowdsourced signal only (no registered tower) |
| Baclayon | 1,175 | 0 | Dead zone: no towers from any source |
| Balila | 3,242 | 0 | Dead zone: no towers from any source |
| Bantuanon | 6,304 | 4 | Registered tower only (not crowd-verified) |
| Basak | 2,883 | 0 | Dead zone: no towers from any source |
| Bugcaon | 9,099 | 6 | Crowdsourced signal only (no registered tower) |
| Capitan Juan | 1,653 | 0 | Dead zone: no towers from any source |
| Cawayan | 2,706 | 0 | Dead zone: no towers from any source |
| Ka-atoan (Kaatuan) | 2,475 | 0 | Dead zone: no towers from any source |
| Kibangay | 7,729 | 3 | Registered tower only (not crowd-verified) |
| Kulasihan | 8,408 | 4 | Crowdsourced signal only (no registered tower) |
| Poblacion | 11,511 | 4 | Verified coverage (NTC + crowdsourced) |
| Songco | 7,763 | 8 | Verified coverage (NTC + crowdsourced) |
| Victory | 1,882 | 0 | Dead zone: no towers from any source |