About this number
(509) 397-0023 is a landline based telephone number operated by Qwest Corporation and is located in zip code 99111 in the city of Colfax, Washington, which is in Whitman County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 509, a Network Numbering Exchange (NXX - also known as a prefix) of 397 and a subscriber number of 0023. It has an Operating Company Number (OCN) of 9638. A Common Language Location Identifier (CLLI) of CLFXWA01DS0. As well as a Local access and transport area (LATA) of 676. Zip code 99111 has a population of 4,047 as of the 2010 census.