About this number
(580) 677 is a landline based telephone number operated by Southwestern Bell and is located in zip code 73446 in the city of Madill, Oklahoma, which is in Marshall 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 677. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of MDLLOKMARS1. As well as a Local access and transport area (LATA) of 536. Zip code 73446 has a population of 8,042 as of the 2010 census.