About this number
(580) 479 is a landline based telephone number operated by Pioneer Telephone Cooperative, and is located in zip code 73546 in the city of Grandfield, Oklahoma, which is in Tillman County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 580 and Network Numbering Exchange (NXX - also known as a prefix) of 479. It has an Operating Company Number (OCN) of 2018. A Common Language Location Identifier (CLLI) of GRFDOKXARS0. As well as a Local access and transport area (LATA) of 536. Zip code 73546 has a population of 1,232 as of the 2010 census.