| Locality | Post Code |
|---|---|
| Chiautempan, Chiautempan | 90800, 90802, 90803, 90804, 90805, … |
| Guadalupe Ixcotla, Chiautempan | 90810 |
| Ramontla, Chiautempan | 90820 |
| San Bartolomé Cuahuixmatlac, Chiautempan | 90820 |
| San Pedro Muñoztla, Chiautempan | 90820 |
| San Pedro Tlalcuapan de Nicolás Bravo, Chiautempan | 90820 |
| San Pedro Xochiteotla, Chiautempan | 90820 |
| San Rafael Tepatlaxco, Chiautempan | 90821 |
| Santa Cruz Guadalupe, Chiautempan | 90810 |