Piedras Negras zip code
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 26085 | FOVISSSTE | Unidad habitacional | Piedras Negras | Urbano |
| 26010 | Francisco I Madero | Colonia | Piedras Negras | Urbano |
| 26030 | Francisco Villa | Colonia | Piedras Negras | Urbano |
| 26068 | FSTSE | Colonia | Piedras Negras | Urbano |
