About this number
(541) 398 is a wireless/mobile based telephone number operated by United States Cellular Corp. - and is located in zip code 97850 in the city of La Grande, Oregon, which is in Union County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 541 and Network Numbering Exchange (NXX - also known as a prefix) of 398. It has an Operating Company Number (OCN) of 6349. A Common Language Location Identifier (CLLI) of LAGRORXB4MD. As well as a Local access and transport area (LATA) of 672. It was first assigned for usage on 08/29/2002. Zip code 97850 has a population of 16,955 as of the 2010 census.