Calatrava comprises 40 barangays with an estimated population of 71,389. 30 of its barangays (75%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agpangi | 3,010 | 1 | Crowdsourced signal only (no registered tower) |
| Ani-e | 363 | 0 | Dead zone: no towers from any source |
| Bagacay | 998 | 0 | Dead zone: no towers from any source |
| Bantayanon | 2,719 | 1 | Crowdsourced signal only (no registered tower) |
| Buenavista | 1,871 | 0 | Dead zone: no towers from any source |
| Cabungahan | 611 | 1 | Crowdsourced signal only (no registered tower) |
| Calampisawan | 2,908 | 0 | Dead zone: no towers from any source |
| Cambayobo | 968 | 0 | Dead zone: no towers from any source |
| Castellano | 1,779 | 0 | Dead zone: no towers from any source |
| Cruz | 1,027 | 0 | Dead zone: no towers from any source |
| Dolis | 1,588 | 0 | Dead zone: no towers from any source |
| Hilub-Ang | 2,044 | 0 | Dead zone: no towers from any source |
| Hinab-Ongan | 807 | 0 | Dead zone: no towers from any source |
| Ilaya | 796 | 0 | Dead zone: no towers from any source |
| Laga-an | 2,322 | 0 | Dead zone: no towers from any source |
| Lalong | 1,650 | 0 | Dead zone: no towers from any source |
| Lemery | 1,028 | 1 | Crowdsourced signal only (no registered tower) |
| Lipat-on | 1,533 | 0 | Dead zone: no towers from any source |
| Lo-ok (Pob.) | 1,453 | 0 | Dead zone: no towers from any source |
| Ma-aslob | 988 | 0 | Dead zone: no towers from any source |
| Macasilao | 1,702 | 0 | Dead zone: no towers from any source |
| Mahilum | 622 | 0 | Dead zone: no towers from any source |
| Malanog | 1,224 | 0 | Dead zone: no towers from any source |
| Malatas | 1,334 | 0 | Dead zone: no towers from any source |
| Marcelo | 5,111 | 1 | Crowdsourced signal only (no registered tower) |
| Menchaca | 1,238 | 0 | Dead zone: no towers from any source |
| Mina-utok | 1,901 | 0 | Dead zone: no towers from any source |
| Minapasuk | 7,818 | 3 | Crowdsourced signal only (no registered tower) |
| Paghumayan | 1,284 | 0 | Dead zone: no towers from any source |
| Pantao | 961 | 0 | Dead zone: no towers from any source |
| Patun-an | 1,880 | 2 | Crowdsourced signal only (no registered tower) |
| Pinocutan | 1,128 | 1 | Crowdsourced signal only (no registered tower) |
| Refugio | 2,063 | 2 | Crowdsourced signal only (no registered tower) |
| San Benito | 1,163 | 0 | Dead zone: no towers from any source |
| San Isidro | 1,980 | 0 | Dead zone: no towers from any source |
| Suba (Pob.) | 3,026 | 0 | Dead zone: no towers from any source |
| Telim | 1,785 | 0 | Dead zone: no towers from any source |
| Tigbao | 1,344 | 6 | Crowdsourced signal only (no registered tower) |
| Tigbon | 2,228 | 0 | Dead zone: no towers from any source |
| Winaswasan | 1,134 | 0 | Dead zone: no towers from any source |