About this number
(620) 257 is a landline based telephone number operated by Southwestern Bell and is located in zip code 67554 in the city of Lyons, Kansas, which is in Rice County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 620 and Network Numbering Exchange (NXX - also known as a prefix) of 257. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of LYNSKSEARS0. As well as a Local access and transport area (LATA) of 532. Zip code 67554 has a population of 4,334 as of the 2010 census.