Libmanan comprises 75 barangays with an estimated population of 126,909. 49 of its barangays (65%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Aslong | 391 | 0 | Dead zone: no towers from any source |
| Awayan | 1,553 | 2 | Crowdsourced signal only (no registered tower) |
| Bagacay | 1,336 | 7 | Crowdsourced signal only (no registered tower) |
| Bagadion | 2,318 | 0 | Dead zone: no towers from any source |
| Bagamelon | 801 | 0 | Dead zone: no towers from any source |
| Bagumbayan | 3,392 | 0 | Dead zone: no towers from any source |
| Bahao | 2,169 | 0 | Dead zone: no towers from any source |
| Bahay | 5,234 | 5 | Crowdsourced signal only (no registered tower) |
| Begajo Norte | 781 | 0 | Dead zone: no towers from any source |
| Begajo Sur | 1,023 | 1 | Crowdsourced signal only (no registered tower) |
| Beguito Nuevo | 877 | 6 | Crowdsourced signal only (no registered tower) |
| Beguito Viejo | 1,470 | 2 | Crowdsourced signal only (no registered tower) |
| Bikal | 2,478 | 12 | Crowdsourced signal only (no registered tower) |
| Busak | 1,779 | 0 | Dead zone: no towers from any source |
| Caima | 1,415 | 0 | Dead zone: no towers from any source |
| Calabnigan | 864 | 0 | Dead zone: no towers from any source |
| Camambugan | 2,240 | 0 | Dead zone: no towers from any source |
| Cambalidio | 3,738 | 0 | Dead zone: no towers from any source |
| Candami | 1,137 | 0 | Dead zone: no towers from any source |
| Candato | 2,687 | 0 | Dead zone: no towers from any source |
| Cawayan | 2,427 | 0 | Dead zone: no towers from any source |
| Concepcion | 1,517 | 1 | Crowdsourced signal only (no registered tower) |
| Cuyapi | 391 | 0 | Dead zone: no towers from any source |
| Danawan | 1,676 | 1 | Crowdsourced signal only (no registered tower) |
| Duang Niog | 6,504 | 3 | Crowdsourced signal only (no registered tower) |
| Handong | 1,669 | 0 | Dead zone: no towers from any source |
| Ibid | 2,210 | 0 | Dead zone: no towers from any source |
| Inalahan | 1,367 | 0 | Dead zone: no towers from any source |
| Labao | 2,020 | 0 | Dead zone: no towers from any source |
| Libod I | 432 | 4 | Crowdsourced signal only (no registered tower) |
| Libod II | 247 | 0 | Dead zone: no towers from any source |
| Loba-loba | 643 | 2 | Crowdsourced signal only (no registered tower) |
| Mabini | 1,281 | 1 | Crowdsourced signal only (no registered tower) |
| Malansad Nuevo | 821 | 0 | Dead zone: no towers from any source |
| Malansad Viejo | 1,569 | 0 | Dead zone: no towers from any source |
| Malbogon | 965 | 1 | Crowdsourced signal only (no registered tower) |
| Malinao | 2,059 | 0 | Dead zone: no towers from any source |
| Mambalite | 824 | 0 | Dead zone: no towers from any source |
| Mambayawas | 1,277 | 0 | Dead zone: no towers from any source |
| Mambulo Nuevo | 2,145 | 15 | Crowdsourced signal only (no registered tower) |
| Mambulo Viejo | 1,406 | 1 | Crowdsourced signal only (no registered tower) |
| Mancawayan | 850 | 0 | Dead zone: no towers from any source |
| Mandacanan | 945 | 0 | Dead zone: no towers from any source |
| Mantalisay | 2,240 | 0 | Dead zone: no towers from any source |
| Padlos | 889 | 0 | Dead zone: no towers from any source |
| Pag-Oring Nuevo | 1,613 | 0 | Dead zone: no towers from any source |
| Pag-Oring Viejo | 103 | 0 | Dead zone: no towers from any source |
| Palangon | 970 | 1 | Crowdsourced signal only (no registered tower) |
| Palong | 2,511 | 8 | Crowdsourced signal only (no registered tower) |
| Patag | 2,004 | 0 | Dead zone: no towers from any source |
| Planza | 694 | 0 | Dead zone: no towers from any source |
| Poblacion | 956 | 12 | Crowdsourced signal only (no registered tower) |
| Potot | 4,171 | 0 | Dead zone: no towers from any source |
| Puro-Batia | 2,703 | 2 | Crowdsourced signal only (no registered tower) |
| Rongos | 809 | 0 | Dead zone: no towers from any source |
| Salvacion | 1,230 | 0 | Dead zone: no towers from any source |
| San Isidro | 6,136 | 9 | Crowdsourced signal only (no registered tower) |
| San Juan | 1,146 | 0 | Dead zone: no towers from any source |
| San Pablo | 1,696 | 0 | Dead zone: no towers from any source |
| San Vicente | 2,458 | 0 | Dead zone: no towers from any source |
| Sibujo | 3,363 | 2 | Crowdsourced signal only (no registered tower) |
| Sigamot | 2,226 | 7 | Crowdsourced signal only (no registered tower) |
| Station-Church Site | 748 | 1 | Crowdsourced signal only (no registered tower) |
| Taban-Fundado | 3,788 | 1 | Crowdsourced signal only (no registered tower) |
| Tampuhan | 757 | 0 | Dead zone: no towers from any source |
| Tanag | 1,838 | 0 | Dead zone: no towers from any source |
| Tarum | 619 | 0 | Dead zone: no towers from any source |
| Tinalmud Nuevo | 793 | 0 | Dead zone: no towers from any source |
| Tinalmud Viejo | 726 | 0 | Dead zone: no towers from any source |
| Tinangkihan | 491 | 4 | Crowdsourced signal only (no registered tower) |
| Udoc | 1,459 | 0 | Dead zone: no towers from any source |
| Umalo | 1,506 | 0 | Dead zone: no towers from any source |
| Uson | 1,195 | 0 | Dead zone: no towers from any source |
| Villadima (Santa Cruz) | 1,418 | 0 | Dead zone: no towers from any source |
| Villasocorro | 725 | 0 | Dead zone: no towers from any source |