| Locality | Postal Code |
|---|---|
| Amado Nervo (el Conde), San Pedro Lagunillas | 63810 |
| Cerro Pelón, San Pedro Lagunillas | 63826 |
| Cuastecomate, San Pedro Lagunillas | 63810 |
| Las Guásimas, San Pedro Lagunillas | 63820 |
| Milpillas Bajas, San Pedro Lagunillas | 63804 |
| Puerta del Río, San Pedro Lagunillas | 63820 |
| San Pedro Lagunillas, San Pedro Lagunillas | 63800, 63806, 63807, 63810 |
| Tepetiltic, San Pedro Lagunillas | 63809 |
| Tequilita, San Pedro Lagunillas | 63810 |