About this number
(571) 203-0287 is a landline based telephone number operated by Verizon Virginia, Inc. and is located in zip code 20170 in the city of Herndon, 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 203 and a subscriber number of 0287. It has an Operating Company Number (OCN) of 9213. A Common Language Location Identifier (CLLI) of HRNDVAHEDS0. As well as a Local access and transport area (LATA) of 236. Zip code 20170 has a population of 41,236 as of the 2010 census.