About this number
(509) 837 is a landline based telephone number operated by United Telephone-Northwest-Wa and is located in zip code 98944 in the city of Sunnyside, Washington, which is in Yakima 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 837. It has an Operating Company Number (OCN) of 4521. A Common Language Location Identifier (CLLI) of SNSDWAXXDS0. As well as a Local access and transport area (LATA) of 676. Zip code 98944 has a population of 22,014 as of the 2010 census.