Sevilla comprises 13 barangays with an estimated population of 7,495. 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 |
|---|---|---|---|
| Bayawahan | 671 | 0 | Dead zone: no towers from any source |
| Cabancalan | 638 | 0 | Dead zone: no towers from any source |
| Calinga-an | 495 | 0 | Dead zone: no towers from any source |
| Calinginan Norte | 561 | 0 | Dead zone: no towers from any source |
| Calinginan Sur | 354 | 0 | Dead zone: no towers from any source |
| Cambagui | 664 | 0 | Dead zone: no towers from any source |
| Ewon | 460 | 0 | Dead zone: no towers from any source |
| Guinob-an | 408 | 0 | Dead zone: no towers from any source |
| Lagtangan | 361 | 0 | Dead zone: no towers from any source |
| Licolico | 1,367 | 0 | Dead zone: no towers from any source |
| Lobgob | 325 | 0 | Dead zone: no towers from any source |
| Magsaysay | 681 | 0 | Dead zone: no towers from any source |
| Poblacion | 510 | 0 | Dead zone: no towers from any source |