Metropolitan Manila Fourth District has 317 barangays across 7 municipalities. 20 barangays (6%) are connectivity dead zones.
| Municipality | Barangays | Dead zones |
|---|---|---|
| City of Las Piñas | 20 | 0 (0%) |
| City of Makati | 33 | 0 (0%) |
| City of Muntinlupa | 9 | 0 (0%) |
| City of Parañaque | 16 | 0 (0%) |
| Pasay City | 201 | 20 (10%) |
| Pateros | 10 | 0 (0%) |
| Taguig City | 28 | 0 (0%) |