About this number
(509) 556 is a landline based telephone number operated by Skyline Telecom Company - Wa and is located in zip code 98844 in the city of Oroville, 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 556. It has an Operating Company Number (OCN) of 581D. A Common Language Location Identifier (CLLI) of ORVLWA02DS0. As well as a Local access and transport area (LATA) of 676. It was first assigned for usage on 01/26/2001. Zip code 98844 has a population of 4,740 as of the 2010 census.