City of Cauayan comprises 65 barangays with an estimated population of 148,597. 22 of its barangays (34%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alicaocao | 948 | 4 | Verified coverage (NTC + crowdsourced) |
| Alinam | 2,021 | 4 | Verified coverage (NTC + crowdsourced) |
| Amobocan | 935 | 1 | Registered tower only (not crowd-verified) |
| Andarayan | 801 | 0 | Dead zone: no towers from any source |
| Baculod | 8,631 | 3 | Registered tower only (not crowd-verified) |
| Baringin Norte | 462 | 0 | Dead zone: no towers from any source |
| Baringin Sur | 606 | 2 | Registered tower only (not crowd-verified) |
| Buena Suerte | 273 | 2 | Verified coverage (NTC + crowdsourced) |
| Bugallon | 421 | 0 | Dead zone: no towers from any source |
| Buyon | 911 | 0 | Dead zone: no towers from any source |
| Cabaruan | 6,127 | 32 | Verified coverage (NTC + crowdsourced) |
| Cabugao | 1,450 | 0 | Dead zone: no towers from any source |
| Carabatan Bacareno | 477 | 0 | Dead zone: no towers from any source |
| Carabatan Chica | 650 | 4 | Crowdsourced signal only (no registered tower) |
| Carabatan Grande | 58 | 1 | Crowdsourced signal only (no registered tower) |
| Carabatan Punta | 291 | 1 | Verified coverage (NTC + crowdsourced) |
| Casalatan | 727 | 0 | Dead zone: no towers from any source |
| Cassap Fuera | 1,206 | 0 | Dead zone: no towers from any source |
| Catalina | 62 | 0 | Dead zone: no towers from any source |
| Culalabat | 496 | 1 | Registered tower only (not crowd-verified) |
| Dabburab | 964 | 0 | Dead zone: no towers from any source |
| De Vera | 103 | 0 | Dead zone: no towers from any source |
| Dianao | 2,128 | 0 | Dead zone: no towers from any source |
| Disimuray | 2,584 | 1 | Registered tower only (not crowd-verified) |
| District I (Pob.) | 5,962 | 42 | Verified coverage (NTC + crowdsourced) |
| District II (Pob.) | 5,043 | 6 | Verified coverage (NTC + crowdsourced) |
| District III (Pob.) | 3,305 | 10 | Verified coverage (NTC + crowdsourced) |
| Duminit | 1,343 | 2 | Registered tower only (not crowd-verified) |
| Faustino (Sipay) | 1,887 | 1 | Registered tower only (not crowd-verified) |
| Gagabutan | 1,011 | 2 | Crowdsourced signal only (no registered tower) |
| Gappal | 6,297 | 3 | Registered tower only (not crowd-verified) |
| Guayabal | 953 | 0 | Dead zone: no towers from any source |
| Labinab | 1,854 | 8 | Verified coverage (NTC + crowdsourced) |
| Linglingay | 464 | 0 | Dead zone: no towers from any source |
| Mabantad | 1,705 | 1 | Crowdsourced signal only (no registered tower) |
| Maligaya | 8,189 | 1 | Registered tower only (not crowd-verified) |
| Manaoag | 1,003 | 3 | Crowdsourced signal only (no registered tower) |
| Marabulig I | 2,279 | 2 | Verified coverage (NTC + crowdsourced) |
| Marabulig II | 2,325 | 3 | Registered tower only (not crowd-verified) |
| Minante I | 2,139 | 11 | Verified coverage (NTC + crowdsourced) |
| Minante II | 2,715 | 8 | Verified coverage (NTC + crowdsourced) |
| Naganacan | 2,125 | 1 | Verified coverage (NTC + crowdsourced) |
| Nagcampegan | 1,255 | 1 | Verified coverage (NTC + crowdsourced) |
| Nagrumbuan | 8,472 | 1 | Registered tower only (not crowd-verified) |
| Nungnungan I | 2,230 | 0 | Dead zone: no towers from any source |
| Nungnungan II | 1,430 | 6 | Crowdsourced signal only (no registered tower) |
| Pinoma | 3,878 | 3 | Registered tower only (not crowd-verified) |
| Rizal | 613 | 0 | Dead zone: no towers from any source |
| Rogus | 177 | 0 | Dead zone: no towers from any source |
| San Antonio | 3,979 | 3 | Verified coverage (NTC + crowdsourced) |
| San Fermin | 14,327 | 28 | Verified coverage (NTC + crowdsourced) |
| San Francisco | 3,214 | 2 | Verified coverage (NTC + crowdsourced) |
| San Isidro | 882 | 0 | Dead zone: no towers from any source |
| San Luis | 2,261 | 3 | Registered tower only (not crowd-verified) |
| San Pablo (Casap Hacienda) | 4,289 | 1 | Registered tower only (not crowd-verified) |
| Santa Luciana (Daburab 2) | 1,927 | 0 | Dead zone: no towers from any source |
| Santa Maria | 664 | 0 | Dead zone: no towers from any source |
| Sillawit | 1,920 | 5 | Verified coverage (NTC + crowdsourced) |
| Sinippil | 924 | 0 | Dead zone: no towers from any source |
| Tagaran | 5,252 | 10 | Verified coverage (NTC + crowdsourced) |
| Turayong | 1,973 | 8 | Verified coverage (NTC + crowdsourced) |
| Union | 1,171 | 1 | Registered tower only (not crowd-verified) |
| Villa Concepcion | 421 | 2 | Registered tower only (not crowd-verified) |
| Villa Luna | 2,742 | 1 | Registered tower only (not crowd-verified) |
| Villaflor | 665 | 0 | Dead zone: no towers from any source |