City of El Salvador comprises 15 barangays with an estimated population of 47,409. 5 of its barangays (33%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Amoros | 3,008 | 9 | Verified coverage (NTC + crowdsourced) |
| Bolisong | 1,224 | 1 | Registered tower only (not crowd-verified) |
| Bolobolo | 3,537 | 13 | Verified coverage (NTC + crowdsourced) |
| Calongonan | 291 | 1 | Crowdsourced signal only (no registered tower) |
| Cogon | 3,194 | 3 | Registered tower only (not crowd-verified) |
| Himaya | 1,346 | 0 | Dead zone: no towers from any source |
| Hinigdaan | 992 | 0 | Dead zone: no towers from any source |
| Kalabaylabay | 1,235 | 0 | Dead zone: no towers from any source |
| Kibonbon | 1,458 | 0 | Dead zone: no towers from any source |
| Molugan | 10,610 | 20 | Verified coverage (NTC + crowdsourced) |
| Poblacion | 9,635 | 13 | Verified coverage (NTC + crowdsourced) |
| Sambulawan | 2,659 | 0 | Dead zone: no towers from any source |
| Sinaloc | 3,331 | 14 | Verified coverage (NTC + crowdsourced) |
| Taytay | 3,098 | 9 | Verified coverage (NTC + crowdsourced) |
| Ulaliman | 1,791 | 4 | Crowdsourced signal only (no registered tower) |