| Locality | Post Code |
|---|---|
| Ahuatepec, Coyomeapan | 75990 |
| Ahuatla, Coyomeapan | 75993 |
| Atempa, Coyomeapan | 75997 |
| Chimalhuaca, Coyomeapan | 75990 |
| Cuitzala, Coyomeapan | 75995 |
| Huilulco, Coyomeapan | 75997 |
| Matlahuacala, Coyomeapan | 75995 |
| San Juan Cuautla, Coyomeapan | 75990 |
| Santa María Coyomeapan, Coyomeapan | 75990 |
| Tepeaca de Zaragoza, Coyomeapan | 75991 |
| Tepoxtla, Coyomeapan | 75997 |
| Tequitlale, Coyomeapan | 75990 |
| Xaltelica, Coyomeapan | 75995 |
| Xocotla, Coyomeapan | 75993 |