| Localité | Code postal |
|---|---|
| 3 Cruces, Peto | 97930 |
| Abal, Peto | 97936 |
| Benito Juárez, Peto | 97930 |
| Candelaria (San Pedro), Peto | 97937 |
| Chan Calotmul, Peto | 97935 |
| Ciprés, Peto | 97930 |
| Dzonotchel, Peto | 97935 |
| Felipe Carrillo Puerto, Peto | 97930 |
| Francisco I Madero, Peto | 97930 |
| Francisco Sarabia, Peto | 97930 |
| Guadalupe, Peto | 97934 |
| Jacinto Kanek, Peto | 97930 |
| Justicia Social, Peto | 97937 |
| Kambul, Peto | 97936 |
| La Esperanza, Peto | 97936 |
| Macmay, Peto | 97937 |
| Miraflores, Peto | 97930 |
| Morelos y Fátima, Peto | 97930 |
| Papacal, Peto | 97935 |
| Peto, Peto | 97930 |
| Peto Centro, Peto | 97930 |
| Petulillo, Peto | 97936 |
| Polinkin, Peto | 97936 |
| Progresito, Peto | 97933 |
| San Bernabe, Peto | 97934 |
| San Diego, Peto | 97934 |