About this number
(571) 423-0012 is a landline based telephone number operated by Level 3 Communications, LLC - and is located in zip code 22042 in the city of Falls Church, Virginia, which is in Fairfax County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 571, a Network Numbering Exchange (NXX - also known as a prefix) of 423 and a subscriber number of 0012. It has an Operating Company Number (OCN) of 8825. A Common Language Location Identifier (CLLI) of FLCHVAMFDS0. As well as a Local access and transport area (LATA) of 236. It was first assigned for usage on 04/04/2012. Zip code 22042 has a population of 33,537 as of the 2010 census.