Claveria comprises 41 barangays with an estimated population of 28,793. 30 of its barangays (73%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alimoan | 682 | 0 | Dead zone: no towers from any source |
| Bacsay Cataraoan Norte | 211 | 0 | Dead zone: no towers from any source |
| Bacsay Cataraoan Sur | 97 | 0 | Dead zone: no towers from any source |
| Bacsay Mapulapula | 241 | 0 | Dead zone: no towers from any source |
| Bilibigao | 847 | 0 | Dead zone: no towers from any source |
| Buenavista | 522 | 0 | Dead zone: no towers from any source |
| Cadcadir East | 572 | 0 | Dead zone: no towers from any source |
| Cadcadir West | 277 | 1 | Crowdsourced signal only (no registered tower) |
| Camalaggoan/D Leaño | 284 | 0 | Dead zone: no towers from any source |
| Capannikian | 866 | 0 | Dead zone: no towers from any source |
| Centro I (Pob.) | 4,385 | 2 | Crowdsourced signal only (no registered tower) |
| Centro II (Pob.) | 1,140 | 4 | Crowdsourced signal only (no registered tower) |
| Centro III | 566 | 1 | Crowdsourced signal only (no registered tower) |
| Centro IV (Nangasangan) | 616 | 3 | Crowdsourced signal only (no registered tower) |
| Centro V (Mina) | 217 | 1 | Crowdsourced signal only (no registered tower) |
| Centro VI (Minanga) | 1,006 | 0 | Dead zone: no towers from any source |
| Centro VII (Malasin East) | 645 | 0 | Dead zone: no towers from any source |
| Centro VIII (Malasin West) | 586 | 1 | Crowdsourced signal only (no registered tower) |
| Culao | 825 | 0 | Dead zone: no towers from any source |
| Dibalio | 683 | 1 | Crowdsourced signal only (no registered tower) |
| Kilkiling | 1,375 | 1 | Crowdsourced signal only (no registered tower) |
| Lablabig | 485 | 0 | Dead zone: no towers from any source |
| Luzon | 450 | 0 | Dead zone: no towers from any source |
| Mabnang | 491 | 0 | Dead zone: no towers from any source |
| Magdalena | 788 | 0 | Dead zone: no towers from any source |
| Malilitao | 413 | 0 | Dead zone: no towers from any source |
| Nagsabaran | 738 | 0 | Dead zone: no towers from any source |
| Pata East | 714 | 0 | Dead zone: no towers from any source |
| Pata West | 927 | 0 | Dead zone: no towers from any source |
| Pinas | 370 | 0 | Dead zone: no towers from any source |
| San Antonio (Sayad*/Bimekel*) | 542 | 0 | Dead zone: no towers from any source |
| San Isidro | 597 | 0 | Dead zone: no towers from any source |
| San Vicente | 479 | 0 | Dead zone: no towers from any source |
| Santiago | 370 | 0 | Dead zone: no towers from any source |
| Santo Niño (Barbarnis) | 177 | 0 | Dead zone: no towers from any source |
| Sta. Maria (Surngot) | 944 | 0 | Dead zone: no towers from any source |
| Sto. Tomas | 646 | 0 | Dead zone: no towers from any source |
| Tabbugan | 377 | 0 | Dead zone: no towers from any source |
| Taggat Norte | 626 | 0 | Dead zone: no towers from any source |
| Taggat Sur | 1,216 | 1 | Crowdsourced signal only (no registered tower) |
| Union | 800 | 1 | Crowdsourced signal only (no registered tower) |