| Locality | Post Code |
|---|---|
| Cacalotepec, Apaxtla | 40550 |
| Ciudad Apaxtla de Castrejón, Apaxtla | 40530, 40535, 40537, 40538, 40539 |
| El Trapichal, Apaxtla | 40544 |
| Iglesia Vieja, Apaxtla | 40533 |
| Ixtlahuaca, Apaxtla | 40547 |
| Liberaltepec, Apaxtla | 40540 |
| Los Amates, Apaxtla | 40553 |
| Nejapa, Apaxtla | 40534 |
| Nuevo Santa María, Apaxtla | 40542 |
| Petlacala, Apaxtla | 40531 |
| San Felipe del Ocote, Apaxtla | 40547 |
| San Marcos, Apaxtla | 40553 |
| San Pedro, Apaxtla | 40548 |
| Tepoxtepec, Apaxtla | 40532 |
| Texocotla, Apaxtla | 40552 |
| Tlatzala, Apaxtla | 40533 |
| Xochipala, Apaxtla | 40549 |
| Xochitepec, Apaxtla | 40541 |
| Zacapostepec, Apaxtla | 40551 |