Norzagaray comprises 13 barangays with an estimated population of 136,521. 3 of its barangays (23%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bangkal | 764 | 0 | Dead zone: no towers from any source |
| Baraka | 1,491 | 0 | Dead zone: no towers from any source |
| Bigte | 23,141 | 12 | Crowdsourced signal only (no registered tower) |
| Bitungol | 9,003 | 29 | Crowdsourced signal only (no registered tower) |
| Friendship Village Resources (FVR) | 2,001 | 4 | Crowdsourced signal only (no registered tower) |
| Matictic | 21,219 | 12 | Crowdsourced signal only (no registered tower) |
| Minuyan | 14,295 | 36 | Crowdsourced signal only (no registered tower) |
| Partida | 5,351 | 13 | Crowdsourced signal only (no registered tower) |
| Pinagtulayan | 7,872 | 0 | Dead zone: no towers from any source |
| Poblacion | 6,053 | 18 | Crowdsourced signal only (no registered tower) |
| San Lorenzo | 9,895 | 44 | Crowdsourced signal only (no registered tower) |
| San Mateo | 15,039 | 26 | Crowdsourced signal only (no registered tower) |
| Tigbe | 20,397 | 26 | Crowdsourced signal only (no registered tower) |