Roseller Lim comprises 26 barangays with an estimated population of 35,310. 18 of its barangays (69%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Ali Alsree | 666 | 0 | Dead zone: no towers from any source |
| Balansag | 447 | 0 | Dead zone: no towers from any source |
| Calula | 947 | 0 | Dead zone: no towers from any source |
| Casacon | 837 | 0 | Dead zone: no towers from any source |
| Don Perfecto | 1,918 | 0 | Dead zone: no towers from any source |
| Gango | 914 | 0 | Dead zone: no towers from any source |
| Katipunan | 2,215 | 1 | Crowdsourced signal only (no registered tower) |
| Kulambugan | 543 | 3 | Crowdsourced signal only (no registered tower) |
| Mabini | 2,888 | 1 | Crowdsourced signal only (no registered tower) |
| Magsaysay | 1,072 | 1 | Crowdsourced signal only (no registered tower) |
| Malubal | 2,543 | 0 | Dead zone: no towers from any source |
| New Antique | 769 | 0 | Dead zone: no towers from any source |
| New Sagay | 1,931 | 1 | Crowdsourced signal only (no registered tower) |
| Palmera | 439 | 0 | Dead zone: no towers from any source |
| Pres. Roxas | 2,379 | 0 | Dead zone: no towers from any source |
| Remedios | 579 | 0 | Dead zone: no towers from any source |
| San Antonio | 734 | 0 | Dead zone: no towers from any source |
| San Fernandino | 2,365 | 1 | Crowdsourced signal only (no registered tower) |
| San Jose | 1,573 | 0 | Dead zone: no towers from any source |
| Santo Rosario | 1,081 | 0 | Dead zone: no towers from any source |
| Siawang | 2,510 | 0 | Dead zone: no towers from any source |
| Silingan | 898 | 0 | Dead zone: no towers from any source |
| Surabay | 1,620 | 2 | Crowdsourced signal only (no registered tower) |
| Taruc | 916 | 0 | Dead zone: no towers from any source |
| Tilasan | 1,470 | 0 | Dead zone: no towers from any source |
| Tupilac | 1,056 | 1 | Crowdsourced signal only (no registered tower) |