Aguilar comprises 16 barangays with an estimated population of 49,916. 6 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 |
|---|---|---|---|
| Bayaoas | 3,297 | 2 | Crowdsourced signal only (no registered tower) |
| Baybay | 2,207 | 4 | Crowdsourced signal only (no registered tower) |
| Bocacliw | 4,039 | 3 | Crowdsourced signal only (no registered tower) |
| Bocboc East | 4,224 | 0 | Dead zone: no towers from any source |
| Bocboc West | 7,975 | 0 | Dead zone: no towers from any source |
| Buer | 3,086 | 5 | Crowdsourced signal only (no registered tower) |
| Calsib | 2,928 | 0 | Dead zone: no towers from any source |
| Laoag | 3,650 | 2 | Crowdsourced signal only (no registered tower) |
| Manlocboc | 458 | 5 | Crowdsourced signal only (no registered tower) |
| Niñoy | 3,711 | 12 | Crowdsourced signal only (no registered tower) |
| Panacol | 921 | 0 | Dead zone: no towers from any source |
| Poblacion | 1,264 | 2 | Crowdsourced signal only (no registered tower) |
| Pogomboa | 2,479 | 4 | Crowdsourced signal only (no registered tower) |
| Pogonsili | 1,829 | 0 | Dead zone: no towers from any source |
| San Jose | 5,683 | 0 | Dead zone: no towers from any source |
| Tampac | 2,165 | 1 | Crowdsourced signal only (no registered tower) |