Aparri comprises 42 barangays with an estimated population of 55,499. 27 of its barangays (64%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Backiling | 1,247 | 0 | Dead zone: no towers from any source |
| Bangag | 969 | 0 | Dead zone: no towers from any source |
| Binalan | 2,696 | 4 | Crowdsourced signal only (no registered tower) |
| Bisagu | 1,720 | 1 | Crowdsourced signal only (no registered tower) |
| Bukig | 815 | 0 | Dead zone: no towers from any source |
| Bulala Norte | 337 | 0 | Dead zone: no towers from any source |
| Bulala Sur | 431 | 0 | Dead zone: no towers from any source |
| Caagaman | 1,463 | 0 | Dead zone: no towers from any source |
| Centro 1 (Pob.) | 313 | 2 | Crowdsourced signal only (no registered tower) |
| Centro 10 (Pob.) | 0 | 0 | Dead zone: no towers from any source |
| Centro 11 (Pob.) | 0 | 1 | Crowdsourced signal only (no registered tower) |
| Centro 12 (Pob.) | 0 | 0 | Dead zone: no towers from any source |
| Centro 13 (Pob.) | 108 | 0 | Dead zone: no towers from any source |
| Centro 14 (Pob.) | 73 | 3 | Crowdsourced signal only (no registered tower) |
| Centro 15 (Pob.) | 225 | 1 | Crowdsourced signal only (no registered tower) |
| Centro 2 (Pob.) | 745 | 0 | Dead zone: no towers from any source |
| Centro 3 (Pob.) | 0 | 0 | Dead zone: no towers from any source |
| Centro 4 (Pob.) | 0 | 0 | Dead zone: no towers from any source |
| Centro 5 (Pob.) | 27 | 0 | Dead zone: no towers from any source |
| Centro 6 (Pob.) | 0 | 2 | Crowdsourced signal only (no registered tower) |
| Centro 7 (Pob.) | 29 | 0 | Dead zone: no towers from any source |
| Centro 8 (Pob.) | 28 | 1 | Crowdsourced signal only (no registered tower) |
| Centro 9 (Pob.) | 200 | 0 | Dead zone: no towers from any source |
| Dodan | 2,620 | 0 | Dead zone: no towers from any source |
| Fuga Island | 1,200 | 0 | Dead zone: no towers from any source |
| Gaddang | 3,578 | 0 | Dead zone: no towers from any source |
| Linao | 1,770 | 0 | Dead zone: no towers from any source |
| Mabanguc | 1,181 | 0 | Dead zone: no towers from any source |
| Macanaya (Pescaria) | 5,112 | 4 | Crowdsourced signal only (no registered tower) |
| Maura | 6,168 | 58 | Crowdsourced signal only (no registered tower) |
| Minanga | 1,894 | 2 | Crowdsourced signal only (no registered tower) |
| Navagan | 1,367 | 0 | Dead zone: no towers from any source |
| Paddaya | 3,252 | 0 | Dead zone: no towers from any source |
| Paruddun Norte | 829 | 0 | Dead zone: no towers from any source |
| Paruddun Sur | 1,140 | 0 | Dead zone: no towers from any source |
| Plaza | 461 | 0 | Dead zone: no towers from any source |
| Punta | 3,368 | 2 | Crowdsourced signal only (no registered tower) |
| San Antonio | 701 | 1 | Crowdsourced signal only (no registered tower) |
| Sanja | 1,998 | 0 | Dead zone: no towers from any source |
| Tallungan | 3,086 | 1 | Crowdsourced signal only (no registered tower) |
| Toran | 3,183 | 2 | Crowdsourced signal only (no registered tower) |
| Zinarag | 1,165 | 0 | Dead zone: no towers from any source |