Bulan comprises 63 barangays with an estimated population of 92,054. 53 of its barangays (84%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| A. Bonifacio | 543 | 0 | Dead zone: no towers from any source |
| Abad Santos | 732 | 0 | Dead zone: no towers from any source |
| Aguinaldo | 2,089 | 0 | Dead zone: no towers from any source |
| Antipolo | 684 | 0 | Dead zone: no towers from any source |
| Beguin | 1,479 | 0 | Dead zone: no towers from any source |
| Benigno S. Aquino (Imelda) | 3,847 | 0 | Dead zone: no towers from any source |
| Bical | 874 | 0 | Dead zone: no towers from any source |
| Bonga | 639 | 0 | Dead zone: no towers from any source |
| Butag | 2,473 | 0 | Dead zone: no towers from any source |
| Cadandanan | 489 | 0 | Dead zone: no towers from any source |
| Calomagon | 3,280 | 0 | Dead zone: no towers from any source |
| Calpi | 1,319 | 0 | Dead zone: no towers from any source |
| Cocok-Cabitan | 339 | 0 | Dead zone: no towers from any source |
| Daganas | 1,280 | 0 | Dead zone: no towers from any source |
| Danao | 1,237 | 0 | Dead zone: no towers from any source |
| Dolos | 349 | 0 | Dead zone: no towers from any source |
| E. Quirino | 793 | 0 | Dead zone: no towers from any source |
| Fabrica | 1,882 | 1 | Crowdsourced signal only (no registered tower) |
| G. del Pilar (Tanga) | 2,945 | 1 | Crowdsourced signal only (no registered tower) |
| Gate | 1,245 | 0 | Dead zone: no towers from any source |
| Inararan | 1,568 | 0 | Dead zone: no towers from any source |
| J. Gerona | 899 | 0 | Dead zone: no towers from any source |
| J.P. Laurel (Pon-od) | 5,887 | 0 | Dead zone: no towers from any source |
| Jamorawon | 587 | 0 | Dead zone: no towers from any source |
| Lajong | 2,037 | 1 | Crowdsourced signal only (no registered tower) |
| Libertad | 42 | 0 | Dead zone: no towers from any source |
| M. Roxas | 1,228 | 0 | Dead zone: no towers from any source |
| Magsaysay | 1,924 | 0 | Dead zone: no towers from any source |
| Managanaga | 2,157 | 0 | Dead zone: no towers from any source |
| Marinab | 771 | 0 | Dead zone: no towers from any source |
| Montecalvario | 625 | 0 | Dead zone: no towers from any source |
| N. Roque (Rizal) | 1,221 | 0 | Dead zone: no towers from any source |
| Namo | 1,717 | 0 | Dead zone: no towers from any source |
| Nasuje | 914 | 0 | Dead zone: no towers from any source |
| Obrero | 1,023 | 0 | Dead zone: no towers from any source |
| Osmeña | 907 | 0 | Dead zone: no towers from any source |
| Otavi | 1,538 | 1 | Crowdsourced signal only (no registered tower) |
| Padre Diaz | 828 | 0 | Dead zone: no towers from any source |
| Palale | 529 | 0 | Dead zone: no towers from any source |
| Quezon | 423 | 0 | Dead zone: no towers from any source |
| R. Gerona | 841 | 0 | Dead zone: no towers from any source |
| Recto | 791 | 0 | Dead zone: no towers from any source |
| Sagrada | 300 | 0 | Dead zone: no towers from any source |
| San Francisco | 3,093 | 0 | Dead zone: no towers from any source |
| San Isidro | 2,100 | 4 | Crowdsourced signal only (no registered tower) |
| San Juan Bag-o | 954 | 0 | Dead zone: no towers from any source |
| San Juan Daan | 1,701 | 0 | Dead zone: no towers from any source |
| San Rafael | 1,509 | 0 | Dead zone: no towers from any source |
| San Ramon | 1,673 | 0 | Dead zone: no towers from any source |
| San Vicente | 5,358 | 0 | Dead zone: no towers from any source |
| Santa Remedios | 1,079 | 0 | Dead zone: no towers from any source |
| Santa Teresita | 1,170 | 1 | Crowdsourced signal only (no registered tower) |
| Sigad | 1,344 | 0 | Dead zone: no towers from any source |
| Somagongsong | 3,193 | 0 | Dead zone: no towers from any source |
| Taromata | 991 | 0 | Dead zone: no towers from any source |
| Zone I Pob. (Bgy. 1- South Ilawod) | 249 | 1 | Crowdsourced signal only (no registered tower) |
| Zone II Pob. (Bgy. 2- West Ilawod) | 1,777 | 0 | Dead zone: no towers from any source |
| Zone III Pob. (Bgy. 3- East Ilawod) | 1,223 | 2 | Crowdsourced signal only (no registered tower) |
| Zone IV Pob. (Bgy. 4- West Central) | 1,494 | 4 | Crowdsourced signal only (no registered tower) |
| Zone V Pob. (Bgy. 5-Lanipan) | 693 | 1 | Crowdsourced signal only (no registered tower) |
| Zone VI Pob. (Bgy. 6- Baybay) | 355 | 0 | Dead zone: no towers from any source |
| Zone VII Pob. (Bgy. 7- Iraya) | 2,507 | 0 | Dead zone: no towers from any source |
| Zone VIII Pob. (Bgy. 8- Loyo) | 2,316 | 0 | Dead zone: no towers from any source |