| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ambato, Ambato | 180101, 180102, 180103, 180104, 180105, 180108, 180109, 180110, 180201, 180202, 180203, 180204, 180205, 180206, 180207, 180208, 180209, 180210, 180211, 180212, 180215 |
| Postal/ZIP Codes in Huachi Chico, Ambato | 180204 |