| Locality | Post Code |
|---|---|
| Colonia Ejidal General Wenceslao Labra, Tequixquiac | 55650 |
| Ejidos de Santa María, Tequixquiac | 55667 |
| La Esperanza, Tequixquiac | 55653 |
| La Rinconada, Tequixquiac | 55653 |
| Monte Alto, Tequixquiac | 55653 |
| Tequixquiac, Tequixquiac | 55650, 55654, 55655, 55656, 55657 |
| Tlapanaloya, Tequixquiac | 55653 |