About this number
(509) 633 is a landline based telephone number operated by Qwest Corporation and is located in zip code 99116 in the city of Coulee Dam, Washington, which is in Okanogan County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 509 and Network Numbering Exchange (NXX - also known as a prefix) of 633. It has an Operating Company Number (OCN) of 9638. A Common Language Location Identifier (CLLI) of CLDMWA01DS0. As well as a Local access and transport area (LATA) of 676. Zip code 99116 has a population of 1,439 as of the 2010 census.