Lucban comprises 32 barangays with an estimated population of 54,182. 13 of its barangays (41%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Abang | 5,943 | 2 | Crowdsourced signal only (no registered tower) |
| Aliliw | 478 | 0 | Dead zone: no towers from any source |
| Atulinao | 297 | 0 | Dead zone: no towers from any source |
| Ayuti | 15,113 | 10 | Crowdsourced signal only (no registered tower) |
| Barangay 1 (Pob.) | 197 | 5 | Crowdsourced signal only (no registered tower) |
| Barangay 10 (Pob.) | 83 | 0 | Dead zone: no towers from any source |
| Barangay 2 (Pob.) | 0 | 4 | Crowdsourced signal only (no registered tower) |
| Barangay 3 (Pob.) | 116 | 0 | Dead zone: no towers from any source |
| Barangay 4 (Pob.) | 140 | 0 | Dead zone: no towers from any source |
| Barangay 5 (Pob.) | 216 | 0 | Dead zone: no towers from any source |
| Barangay 6 (Pob.) | 148 | 1 | Crowdsourced signal only (no registered tower) |
| Barangay 7 (Pob.) | 155 | 1 | Crowdsourced signal only (no registered tower) |
| Barangay 8 (Pob.) | 125 | 4 | Crowdsourced signal only (no registered tower) |
| Barangay 9 (Pob.) | 127 | 1 | Crowdsourced signal only (no registered tower) |
| Igang | 319 | 2 | Crowdsourced signal only (no registered tower) |
| Kabatete | 175 | 0 | Dead zone: no towers from any source |
| Kakawit | 299 | 0 | Dead zone: no towers from any source |
| Kalangay | 145 | 0 | Dead zone: no towers from any source |
| Kalyaat | 432 | 1 | Crowdsourced signal only (no registered tower) |
| Kilib | 1,007 | 0 | Dead zone: no towers from any source |
| Kulapi | 8,545 | 5 | Crowdsourced signal only (no registered tower) |
| Mahabang Parang | 415 | 0 | Dead zone: no towers from any source |
| Malupak | 784 | 4 | Crowdsourced signal only (no registered tower) |
| Manasa | 523 | 5 | Crowdsourced signal only (no registered tower) |
| May-It | 529 | 3 | Crowdsourced signal only (no registered tower) |
| Nagsinamo | 2,673 | 0 | Dead zone: no towers from any source |
| Nalunao | 595 | 1 | Crowdsourced signal only (no registered tower) |
| Palola | 6,047 | 2 | Crowdsourced signal only (no registered tower) |
| Piis | 538 | 3 | Crowdsourced signal only (no registered tower) |
| Samil | 2,508 | 3 | Crowdsourced signal only (no registered tower) |
| Tiawe | 459 | 0 | Dead zone: no towers from any source |
| Tinamnan | 5,051 | 27 | Crowdsourced signal only (no registered tower) |