About this number
(336) 638 is a landline based telephone number operated by McImetro Access Transmission s and is located in zip code 27406 in the city of Greensboro, North Carolina, which is in Guilford County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 336 and Network Numbering Exchange (NXX - also known as a prefix) of 638. It has an Operating Company Number (OCN) of 7229. A Common Language Location Identifier (CLLI) of GNBONCCKX1X. As well as a Local access and transport area (LATA) of 424. It was first assigned for usage on 07/09/2003. Zip code 27406 has a population of 56,458 as of the 2010 census.