Pinamungajan comprises 26 barangays with an estimated population of 63,086. 23 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 |
|---|---|---|---|
| Anislag | 1,959 | 0 | Dead zone: no towers from any source |
| Anopog | 4,110 | 0 | Dead zone: no towers from any source |
| Binabag | 2,739 | 0 | Dead zone: no towers from any source |
| Buhingtubig | 977 | 0 | Dead zone: no towers from any source |
| Busay | 1,862 | 0 | Dead zone: no towers from any source |
| Butong | 2,335 | 0 | Dead zone: no towers from any source |
| Cabiangon | 916 | 2 | Crowdsourced signal only (no registered tower) |
| Camugao | 1,485 | 0 | Dead zone: no towers from any source |
| Duangan | 1,304 | 0 | Dead zone: no towers from any source |
| Guimbawian | 1,912 | 0 | Dead zone: no towers from any source |
| Lamac | 1,675 | 0 | Dead zone: no towers from any source |
| Lut-od | 5,937 | 0 | Dead zone: no towers from any source |
| Mangoto | 1,165 | 0 | Dead zone: no towers from any source |
| Opao | 1,048 | 0 | Dead zone: no towers from any source |
| Pandacan | 6,123 | 1 | Crowdsourced signal only (no registered tower) |
| Poblacion | 7,139 | 0 | Dead zone: no towers from any source |
| Punod | 580 | 0 | Dead zone: no towers from any source |
| Rizal | 691 | 0 | Dead zone: no towers from any source |
| Sacsac | 1,990 | 0 | Dead zone: no towers from any source |
| Sambagon | 1,871 | 0 | Dead zone: no towers from any source |
| Sibago | 4,180 | 0 | Dead zone: no towers from any source |
| Tajao | 5,254 | 10 | Crowdsourced signal only (no registered tower) |
| Tangub | 1,417 | 0 | Dead zone: no towers from any source |
| Tanibag | 1,610 | 0 | Dead zone: no towers from any source |
| Tupas | 965 | 0 | Dead zone: no towers from any source |
| Tutay | 1,842 | 0 | Dead zone: no towers from any source |