City of San Pedro comprises 27 barangays with an estimated population of 337,655. 3 of its barangays (11%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bagong Silang | 2,734 | 1 | Crowdsourced signal only (no registered tower) |
| Calendola | 1,649 | 7 | Crowdsourced signal only (no registered tower) |
| Chrysanthemum | 7,741 | 43 | Crowdsourced signal only (no registered tower) |
| Cuyab | 31,971 | 9 | Crowdsourced signal only (no registered tower) |
| Estrella | 440 | 1 | Crowdsourced signal only (no registered tower) |
| Fatima | 16,848 | 11 | Crowdsourced signal only (no registered tower) |
| G.S.I.S. | 2,209 | 2 | Crowdsourced signal only (no registered tower) |
| Landayan | 26,084 | 28 | Crowdsourced signal only (no registered tower) |
| Langgam | 18,727 | 16 | Crowdsourced signal only (no registered tower) |
| Laram | 2,384 | 0 | Dead zone: no towers from any source |
| Magsaysay | 1,937 | 1 | Crowdsourced signal only (no registered tower) |
| Maharlika | 4,899 | 27 | Crowdsourced signal only (no registered tower) |
| Narra | 651 | 0 | Dead zone: no towers from any source |
| Nueva | 16,154 | 58 | Crowdsourced signal only (no registered tower) |
| Pacita 1 | 32,019 | 93 | Crowdsourced signal only (no registered tower) |
| Pacita 2 | 19,730 | 41 | Crowdsourced signal only (no registered tower) |
| Poblacion | 11,928 | 10 | Crowdsourced signal only (no registered tower) |
| Riverside | 1,332 | 0 | Dead zone: no towers from any source |
| Rosario | 6,311 | 22 | Crowdsourced signal only (no registered tower) |
| Sampaguita Village | 1,350 | 3 | Crowdsourced signal only (no registered tower) |
| San Antonio | 84,669 | 353 | Crowdsourced signal only (no registered tower) |
| San Lorenzo Ruiz | 11,599 | 6 | Crowdsourced signal only (no registered tower) |
| San Roque | 3,720 | 2 | Crowdsourced signal only (no registered tower) |
| San Vicente | 23,720 | 46 | Crowdsourced signal only (no registered tower) |
| Santo Niño | 4,874 | 2 | Crowdsourced signal only (no registered tower) |
| United Bayanihan | 1,796 | 1 | Crowdsourced signal only (no registered tower) |
| United Better Living | 179 | 1 | Crowdsourced signal only (no registered tower) |