Maramag comprises 20 barangays with an estimated population of 108,528. 5 of its barangays (25%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Anahawon | 2,314 | 4 | Verified coverage (NTC + crowdsourced) |
| Bagongsilang | 963 | 0 | Dead zone: no towers from any source |
| Base Camp | 8,220 | 1 | Verified coverage (NTC + crowdsourced) |
| Bayabason (Spring) | 2,341 | 3 | Verified coverage (NTC + crowdsourced) |
| Camp I | 6,522 | 8 | Verified coverage (NTC + crowdsourced) |
| Colambugan | 1,888 | 4 | Crowdsourced signal only (no registered tower) |
| Dagumba-an | 11,984 | 3 | Verified coverage (NTC + crowdsourced) |
| Danggawan | 1,313 | 0 | Dead zone: no towers from any source |
| Dologon | 12,931 | 87 | Verified coverage (NTC + crowdsourced) |
| Kiharong | 2,247 | 1 | Registered tower only (not crowd-verified) |
| Kisanday | 2,296 | 0 | Dead zone: no towers from any source |
| Kuya | 4,971 | 4 | Registered tower only (not crowd-verified) |
| La Roxas | 2,256 | 0 | Dead zone: no towers from any source |
| North Poblacion | 13,464 | 17 | Verified coverage (NTC + crowdsourced) |
| Panadtalan | 4,285 | 12 | Verified coverage (NTC + crowdsourced) |
| Panalsalan | 2,734 | 1 | Registered tower only (not crowd-verified) |
| San Miguel | 7,200 | 4 | Verified coverage (NTC + crowdsourced) |
| San Roque | 4,430 | 0 | Dead zone: no towers from any source |
| South Poblacion | 14,473 | 9 | Verified coverage (NTC + crowdsourced) |
| Tubigon | 1,696 | 16 | Verified coverage (NTC + crowdsourced) |