About this number
(509) 420 is a landline based telephone number operated by At&T Local and is located in zip code 99201 in the city of Spokane, Washington, which is in Spokane 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 420. It has an Operating Company Number (OCN) of 7421. A Common Language Location Identifier (CLLI) of SPKNWA01VMD. As well as a Local access and transport area (LATA) of 676. It was first assigned for usage on 11/05/2001. Zip code 99201 has a population of 13,342 as of the 2010 census.