Surigao City (Capital) comprises 54 barangays with an estimated population of 155,494. 32 of its barangays (59%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Alang-alang | 222 | 0 | Dead zone: no towers from any source |
| Alegria | 418 | 0 | Dead zone: no towers from any source |
| Anomar | 1,533 | 0 | Dead zone: no towers from any source |
| Aurora | 733 | 0 | Dead zone: no towers from any source |
| Balibayon | 840 | 0 | Dead zone: no towers from any source |
| Baybay | 241 | 0 | Dead zone: no towers from any source |
| Bilabid | 420 | 0 | Dead zone: no towers from any source |
| Bitaugan | 447 | 0 | Dead zone: no towers from any source |
| Bonifacio | 2,464 | 4 | Crowdsourced signal only (no registered tower) |
| Buenavista | 655 | 0 | Dead zone: no towers from any source |
| Cabongbongan | 1,133 | 0 | Dead zone: no towers from any source |
| Cagniog | 3,752 | 1 | Crowdsourced signal only (no registered tower) |
| Cagutsan | 599 | 1 | Crowdsourced signal only (no registered tower) |
| Canlanipa | 1,212 | 1 | Crowdsourced signal only (no registered tower) |
| Cantiasay | 636 | 0 | Dead zone: no towers from any source |
| Capalayan | 1,584 | 0 | Dead zone: no towers from any source |
| Catadman | 154 | 0 | Dead zone: no towers from any source |
| Danao | 1,550 | 0 | Dead zone: no towers from any source |
| Danawan | 220 | 0 | Dead zone: no towers from any source |
| Day-asan | 1,691 | 0 | Dead zone: no towers from any source |
| Ipil | 4,343 | 5 | Crowdsourced signal only (no registered tower) |
| Libuac | 266 | 0 | Dead zone: no towers from any source |
| Lipata | 2,384 | 11 | Crowdsourced signal only (no registered tower) |
| Lisondra | 297 | 0 | Dead zone: no towers from any source |
| Luna | 13,253 | 29 | Crowdsourced signal only (no registered tower) |
| Mabini | 3,263 | 2 | Crowdsourced signal only (no registered tower) |
| Mabua | 1,223 | 2 | Crowdsourced signal only (no registered tower) |
| Manyagao | 122 | 1 | Crowdsourced signal only (no registered tower) |
| Mapawa | 715 | 0 | Dead zone: no towers from any source |
| Mat-i | 5,988 | 0 | Dead zone: no towers from any source |
| Nabago | 1,110 | 0 | Dead zone: no towers from any source |
| Nonoc | 129 | 0 | Dead zone: no towers from any source |
| Orok | 2,628 | 0 | Dead zone: no towers from any source |
| Poctoy | 1,673 | 0 | Dead zone: no towers from any source |
| Punta Bilar | 1,069 | 1 | Crowdsourced signal only (no registered tower) |
| Quezon | 3,670 | 7 | Crowdsourced signal only (no registered tower) |
| Rizal | 16,361 | 7 | Crowdsourced signal only (no registered tower) |
| Sabang | 8,632 | 9 | Crowdsourced signal only (no registered tower) |
| San Isidro | 243 | 0 | Dead zone: no towers from any source |
| San Jose | 1,247 | 6 | Crowdsourced signal only (no registered tower) |
| San Juan | 17,924 | 20 | Crowdsourced signal only (no registered tower) |
| San Pedro (Hanigad) | 541 | 0 | Dead zone: no towers from any source |
| San Roque | 1,593 | 1 | Crowdsourced signal only (no registered tower) |
| Serna (Bad-asay) | 2,186 | 2 | Crowdsourced signal only (no registered tower) |
| Sidlakan | 300 | 0 | Dead zone: no towers from any source |
| Silop | 1,188 | 0 | Dead zone: no towers from any source |
| Sugbay | 219 | 0 | Dead zone: no towers from any source |
| Sukailang | 354 | 0 | Dead zone: no towers from any source |
| Taft (Pob.) | 10,530 | 47 | Crowdsourced signal only (no registered tower) |
| Talisay | 1,728 | 0 | Dead zone: no towers from any source |
| Togbongon | 3,055 | 1 | Crowdsourced signal only (no registered tower) |
| Trinidad | 3,290 | 5 | Crowdsourced signal only (no registered tower) |
| Washington (Pob.) | 22,927 | 36 | Crowdsourced signal only (no registered tower) |
| Zaragoza | 539 | 0 | Dead zone: no towers from any source |