Barcelona comprises 25 barangays with an estimated population of 20,870. 22 of its barangays (88%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alegria | 533 | 0 | Dead zone: no towers from any source |
| Bagacay | 604 | 0 | Dead zone: no towers from any source |
| Bangate | 1,329 | 2 | Crowdsourced signal only (no registered tower) |
| Bugtong | 239 | 0 | Dead zone: no towers from any source |
| Cagang | 350 | 0 | Dead zone: no towers from any source |
| Fabrica | 981 | 0 | Dead zone: no towers from any source |
| Jibong | 646 | 0 | Dead zone: no towers from any source |
| Lago | 610 | 0 | Dead zone: no towers from any source |
| Layog | 621 | 0 | Dead zone: no towers from any source |
| Luneta | 484 | 1 | Crowdsourced signal only (no registered tower) |
| Macabari | 1,845 | 0 | Dead zone: no towers from any source |
| Mapapac | 1,124 | 1 | Crowdsourced signal only (no registered tower) |
| Olandia | 1,248 | 0 | Dead zone: no towers from any source |
| Paghaluban | 460 | 0 | Dead zone: no towers from any source |
| Poblacion Central | 1,439 | 0 | Dead zone: no towers from any source |
| Poblacion Norte | 871 | 0 | Dead zone: no towers from any source |
| Poblacion Sur | 708 | 0 | Dead zone: no towers from any source |
| Putiao | 652 | 0 | Dead zone: no towers from any source |
| San Antonio | 1,547 | 0 | Dead zone: no towers from any source |
| San Isidro | 463 | 0 | Dead zone: no towers from any source |
| San Ramon | 703 | 0 | Dead zone: no towers from any source |
| San Vicente | 540 | 0 | Dead zone: no towers from any source |
| Santa Cruz | 820 | 0 | Dead zone: no towers from any source |
| Santa Lourdes | 1,222 | 0 | Dead zone: no towers from any source |
| Tagdon | 831 | 0 | Dead zone: no towers from any source |