About this number
(304) 355 is a landline based telephone number operated by Frontier West Virginia Inc. and is located in zip code 26750 in the city of Piedmont, West Virginia, which is in Mineral County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 304 and Network Numbering Exchange (NXX - also known as a prefix) of 355. It has an Operating Company Number (OCN) of 9214. A Common Language Location Identifier (CLLI) of PDMTWVAARS1. As well as a Local access and transport area (LATA) of 240. Zip code 26750 has a population of 891 as of the 2010 census.