Leon comprises 85 barangays with an estimated population of 54,050. 73 of its barangays (86%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Agboy Norte | 565 | 0 | Dead zone: no towers from any source |
| Agboy Sur | 1,126 | 0 | Dead zone: no towers from any source |
| Agta | 499 | 0 | Dead zone: no towers from any source |
| Ambulong | 207 | 0 | Dead zone: no towers from any source |
| Anonang | 1,036 | 2 | Crowdsourced signal only (no registered tower) |
| Apian | 214 | 0 | Dead zone: no towers from any source |
| Avanzada | 218 | 0 | Dead zone: no towers from any source |
| Awis | 222 | 0 | Dead zone: no towers from any source |
| Ayabang | 865 | 2 | Crowdsourced signal only (no registered tower) |
| Ayubo | 250 | 0 | Dead zone: no towers from any source |
| Bacolod | 138 | 0 | Dead zone: no towers from any source |
| Baje | 492 | 0 | Dead zone: no towers from any source |
| Banagan | 578 | 0 | Dead zone: no towers from any source |
| Barangbang | 266 | 0 | Dead zone: no towers from any source |
| Barasan | 573 | 4 | Crowdsourced signal only (no registered tower) |
| Bayag Norte | 495 | 0 | Dead zone: no towers from any source |
| Bayag Sur | 440 | 0 | Dead zone: no towers from any source |
| Binolbog | 169 | 0 | Dead zone: no towers from any source |
| Biri Norte | 467 | 0 | Dead zone: no towers from any source |
| Biri Sur | 369 | 0 | Dead zone: no towers from any source |
| Bobon | 696 | 0 | Dead zone: no towers from any source |
| Bucari | 2,124 | 1 | Crowdsourced signal only (no registered tower) |
| Buenavista | 364 | 0 | Dead zone: no towers from any source |
| Buga | 3,319 | 4 | Crowdsourced signal only (no registered tower) |
| Bulad | 197 | 0 | Dead zone: no towers from any source |
| Bulwang | 457 | 0 | Dead zone: no towers from any source |
| Cabolo-an | 214 | 0 | Dead zone: no towers from any source |
| Cabunga-an | 237 | 0 | Dead zone: no towers from any source |
| Cabutongan | 227 | 0 | Dead zone: no towers from any source |
| Cagay | 58 | 0 | Dead zone: no towers from any source |
| Camandag | 1,316 | 0 | Dead zone: no towers from any source |
| Camando | 310 | 0 | Dead zone: no towers from any source |
| Cananaman | 298 | 0 | Dead zone: no towers from any source |
| Capt. Fernando | 702 | 0 | Dead zone: no towers from any source |
| Carara-an | 776 | 1 | Crowdsourced signal only (no registered tower) |
| Carolina | 92 | 0 | Dead zone: no towers from any source |
| Cawilihan | 745 | 0 | Dead zone: no towers from any source |
| Coyugan Norte | 115 | 0 | Dead zone: no towers from any source |
| Coyugan Sur | 330 | 0 | Dead zone: no towers from any source |
| Danao | 176 | 0 | Dead zone: no towers from any source |
| Dorog | 441 | 2 | Crowdsourced signal only (no registered tower) |
| Dusacan | 412 | 0 | Dead zone: no towers from any source |
| Gines | 166 | 0 | Dead zone: no towers from any source |
| Gumboc | 214 | 0 | Dead zone: no towers from any source |
| Igcadios | 158 | 0 | Dead zone: no towers from any source |
| Ingay | 445 | 0 | Dead zone: no towers from any source |
| Isian Norte | 1,356 | 0 | Dead zone: no towers from any source |
| Isian Victoria | 549 | 0 | Dead zone: no towers from any source |
| Jamog Gines | 434 | 0 | Dead zone: no towers from any source |
| Lampaya | 205 | 0 | Dead zone: no towers from any source |
| Lanag | 1,921 | 1 | Crowdsourced signal only (no registered tower) |
| Lang-og | 489 | 0 | Dead zone: no towers from any source |
| Ligtos | 1,181 | 0 | Dead zone: no towers from any source |
| Lonoc | 340 | 0 | Dead zone: no towers from any source |
| Magcapay | 119 | 0 | Dead zone: no towers from any source |
| Maliao | 442 | 11 | Crowdsourced signal only (no registered tower) |
| Malublub | 1,042 | 0 | Dead zone: no towers from any source |
| Manampunay | 516 | 0 | Dead zone: no towers from any source |
| Marirong | 402 | 0 | Dead zone: no towers from any source |
| Mina | 194 | 0 | Dead zone: no towers from any source |
| Mocol | 198 | 0 | Dead zone: no towers from any source |
| Nagbangi | 369 | 0 | Dead zone: no towers from any source |
| Nalbang | 319 | 0 | Dead zone: no towers from any source |
| Odong-odong | 801 | 0 | Dead zone: no towers from any source |
| Oluangan | 596 | 0 | Dead zone: no towers from any source |
| Omambong | 1,352 | 0 | Dead zone: no towers from any source |
| Paga | 340 | 0 | Dead zone: no towers from any source |
| Pandan | 522 | 0 | Dead zone: no towers from any source |
| Panginman | 469 | 1 | Crowdsourced signal only (no registered tower) |
| Paoy | 391 | 0 | Dead zone: no towers from any source |
| Pepe | 325 | 0 | Dead zone: no towers from any source |
| Poblacion | 6,305 | 11 | Crowdsourced signal only (no registered tower) |
| Salngan | 355 | 0 | Dead zone: no towers from any source |
| Samlague | 388 | 0 | Dead zone: no towers from any source |
| Siol Norte | 329 | 0 | Dead zone: no towers from any source |
| Siol Sur | 259 | 0 | Dead zone: no towers from any source |
| Tacuyong Norte | 498 | 0 | Dead zone: no towers from any source |
| Tacuyong Sur | 578 | 0 | Dead zone: no towers from any source |
| Tagsing | 241 | 0 | Dead zone: no towers from any source |
| Talacuan | 2,371 | 0 | Dead zone: no towers from any source |
| Ticuan | 1,335 | 0 | Dead zone: no towers from any source |
| Tina-an Norte | 1,529 | 0 | Dead zone: no towers from any source |
| Tina-an Sur | 292 | 0 | Dead zone: no towers from any source |
| Tu-og | 629 | 1 | Crowdsourced signal only (no registered tower) |
| Tunguan | 291 | 0 | Dead zone: no towers from any source |