About postal code 646900
The postal code 646900 routes mail to Калачинск in the Омская Область region of Russia. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
Russia · Postal code
646900 - Калачинск
Postal code 646900 is Калачинск in Омская Область, Russia.
| Postal code | 646900 |
| Place | Калачинск |
| Region | Омская Область |
| Country | Russia (RU) |
| Coordinates | 55.05, 74.5667 (map) |