Santa Cruz (Capital) comprises 26 barangays with an estimated population of 139,515. 10 of its barangays (38%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alipit | 332 | 0 | Dead zone: no towers from any source |
| Bagumbayan | 11,672 | 9 | Crowdsourced signal only (no registered tower) |
| Barangay I (Pob.) | 2,590 | 8 | Crowdsourced signal only (no registered tower) |
| Barangay II (Pob.) | 1,020 | 2 | Crowdsourced signal only (no registered tower) |
| Barangay III (Pob.) | 1,722 | 1 | Crowdsourced signal only (no registered tower) |
| Barangay IV (Pob.) | 994 | 0 | Dead zone: no towers from any source |
| Barangay V (Pob.) | 1,130 | 1 | Crowdsourced signal only (no registered tower) |
| Bubukal | 8,696 | 21 | Crowdsourced signal only (no registered tower) |
| Calios | 11,706 | 10 | Crowdsourced signal only (no registered tower) |
| Duhat | 7,940 | 23 | Crowdsourced signal only (no registered tower) |
| Gatid | 14,237 | 14 | Crowdsourced signal only (no registered tower) |
| Jasaan | 470 | 0 | Dead zone: no towers from any source |
| Labuin | 6,195 | 7 | Crowdsourced signal only (no registered tower) |
| Malinao | 1,325 | 0 | Dead zone: no towers from any source |
| Oogong | 2,808 | 0 | Dead zone: no towers from any source |
| Pagsawitan | 7,393 | 7 | Crowdsourced signal only (no registered tower) |
| Palasan | 2,757 | 1 | Crowdsourced signal only (no registered tower) |
| Patimbao | 7,277 | 22 | Crowdsourced signal only (no registered tower) |
| San Jose | 1,672 | 0 | Dead zone: no towers from any source |
| San Juan | 2,509 | 0 | Dead zone: no towers from any source |
| San Pablo Norte | 7,172 | 0 | Dead zone: no towers from any source |
| San Pablo Sur | 3,542 | 1 | Crowdsourced signal only (no registered tower) |
| Santisima Cruz | 18,844 | 1 | Crowdsourced signal only (no registered tower) |
| Santo Angel Central | 3,027 | 0 | Dead zone: no towers from any source |
| Santo Angel Norte | 8,078 | 0 | Dead zone: no towers from any source |
| Santo Angel Sur | 4,407 | 6 | Crowdsourced signal only (no registered tower) |