Simunul comprises 15 barangays with an estimated population of 16,366. 15 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 |
|---|---|---|---|
| Bagid* | 997 | 0 | Dead zone: no towers from any source |
| Bakong | 364 | 0 | Dead zone: no towers from any source |
| Doh-Tong | 856 | 0 | Dead zone: no towers from any source |
| Luuk Datan | 1,729 | 0 | Dead zone: no towers from any source |
| Manuk Mangkaw | 1,149 | 0 | Dead zone: no towers from any source |
| Maruwa | 1,178 | 0 | Dead zone: no towers from any source |
| Mongkay | 970 | 0 | Dead zone: no towers from any source |
| Pagasinan | 300 | 0 | Dead zone: no towers from any source |
| Panglima Mastul | 1,274 | 0 | Dead zone: no towers from any source |
| Sukah-Bulan | 632 | 0 | Dead zone: no towers from any source |
| Tampakan (Pob.) | 1,612 | 0 | Dead zone: no towers from any source |
| Timundon | 2,638 | 0 | Dead zone: no towers from any source |
| Tonggosong | 613 | 0 | Dead zone: no towers from any source |
| Tubig Indangan | 1,266 | 0 | Dead zone: no towers from any source |
| Ubol | 788 | 0 | Dead zone: no towers from any source |