Pilar comprises 13 barangays with an estimated population of 6,508. 13 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 |
|---|---|---|---|
| Biasong | 285 | 0 | Dead zone: no towers from any source |
| Cawit | 974 | 0 | Dead zone: no towers from any source |
| Dapdap | 299 | 0 | Dead zone: no towers from any source |
| Esperanza | 376 | 0 | Dead zone: no towers from any source |
| Imelda | 221 | 0 | Dead zone: no towers from any source |
| Lanao | 1,022 | 0 | Dead zone: no towers from any source |
| Lower Poblacion | 186 | 0 | Dead zone: no towers from any source |
| Moabog | 475 | 0 | Dead zone: no towers from any source |
| Montserrat | 660 | 0 | Dead zone: no towers from any source |
| San Isidro | 420 | 0 | Dead zone: no towers from any source |
| San Juan | 844 | 0 | Dead zone: no towers from any source |
| Upper Poblacion | 221 | 0 | Dead zone: no towers from any source |
| Villahermosa | 525 | 0 | Dead zone: no towers from any source |