Looc comprises 9 barangays with an estimated population of 4,080. 9 of its barangays (100%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agkawayan | 777 | 0 | Dead zone: no towers from any source |
| Ambil | 726 | 0 | Dead zone: no towers from any source |
| Balikyas | 293 | 0 | Dead zone: no towers from any source |
| Bonbon (Pob.) | 558 | 0 | Dead zone: no towers from any source |
| Bulacan | 248 | 0 | Dead zone: no towers from any source |
| Burol | 354 | 0 | Dead zone: no towers from any source |
| Guitna (Pob.) | 119 | 0 | Dead zone: no towers from any source |
| Kanluran (Pob.) | 367 | 0 | Dead zone: no towers from any source |
| Talaotao | 638 | 0 | Dead zone: no towers from any source |