About this number
(509) 997 is a landline based telephone number operated by Centurytel Of Washington, Inc. and is located in zip code 98856 in the city of Twisp, 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 997. It has an Operating Company Number (OCN) of 2408. A Common Language Location Identifier (CLLI) of TWISWAXADS0. As well as a Local access and transport area (LATA) of 676. Zip code 98856 has a population of 2,464 as of the 2010 census.