About this number
(270) 356 is a landline based telephone number operated by At&T Local and is located in zip code 42431 in the city of Madisonville, Kentucky, which is in Hopkins County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 270 and Network Numbering Exchange (NXX - also known as a prefix) of 356. It has an Operating Company Number (OCN) of 7421. A Common Language Location Identifier (CLLI) of MDVIKYQAIMD. As well as a Local access and transport area (LATA) of 464. Zip code 42431 has a population of 26,916 as of the 2010 census.