About this number
(509) 551 is a wireless/mobile based telephone number operated by New Cingular Wireless Pcs, LLC and is located in the city of Kennewick, Washington 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 551. It has an Operating Company Number (OCN) of 6010. A Common Language Location Identifier (CLLI) of MLWDWAAA3MD. As well as a Local access and transport area (LATA) of 676. It was first assigned for usage on 07/23/2002.