Zip code 99111

Zip code 99111, WA

The zip code 99111, type standard, belongs to the following denominations: Colfax y Diamond . It is part of the county Whitman County, state of Washington. It has an estimated population of 3730.

The postal code 99111 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Colfax) or acceptable (Diamond).