About this number
(509) 771 is a wireless/mobile based telephone number operated by T-Mobile Usa, Inc. and is located in zip code 98837 in the city of Moses Lake, Washington, which is in Grant 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 771. It has an Operating Company Number (OCN) of 6529. A Common Language Location Identifier (CLLI) of MSLKWA010MD. As well as a Local access and transport area (LATA) of 676. Zip code 98837 has a population of 39,722 as of the 2010 census.