About this number
(304) 813 is a wireless/mobile based telephone number operated by United States Cellular Corp. - and is located in zip code 21502 in the city of Cumberland, West Virginia, which is in Allegany 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 813. It has an Operating Company Number (OCN) of 6284. A Common Language Location Identifier (CLLI) of CMLDMDCM5MD. As well as a Local access and transport area (LATA) of 240. Zip code 21502 has a population of 44,400 as of the 2010 census.