About this number
(620) 510 is a landline based telephone number operated by Southwestern Bell and is located in zip code 67877 in the city of Sublette, Kansas, which is in Haskell 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 510. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of SBLTKSORRL0. As well as a Local access and transport area (LATA) of 532. It was first assigned for usage on 06/08/2001. Zip code 67877 has a population of 2,255 as of the 2010 census.