COLFAX, WA| County | Whitman |
| State | Washington |
| State Abbreviation | WA |
| Area Code | 509 |
| Postal Offices | 1 |
| Latitude Range | +46.959127 |
| Longitude Range | -117.505163 |
Zip Code 99111 is located in Colfax, Whitman county in the state of Washington. 99111 Zip Code is spread between the coordinates of +46.959127 Latitude and -117.505163 Longitude. 99111 Zip Code is part of the 509 area code. There is 1 postal office in zip code 99111 which we have listed below
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 99111. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.
