| Locality | Post Code |
|---|---|
| Tenango de las Flores, Huauchinango | 73161 |
| Teopancingo, Huauchinango | 73169 |
| Tepetzintla de Galeana, Huauchinango | 73162 |
| Tlacomulco, Huauchinango | 73166 |
| Tlalmaya, Huauchinango | 73160 |
| Totolapa, Huauchinango | 73165 |
| Venta Chica, Huauchinango | 73167 |
| Venta Grande, Huauchinango | 73167 |
| Xaltepec, Huauchinango | 73160 |
| Xilocuautla, Huauchinango | 73168 |
| Xopanapa, Huauchinango | 73168 |