About this number
(571) 304 is a landline based telephone number operated by Verizon Virginia, Inc. and is located in zip code 22020 in the city of Herndon, Virginia and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 571 and Network Numbering Exchange (NXX - also known as a prefix) of 304. It has an Operating Company Number (OCN) of 9213. A Common Language Location Identifier (CLLI) of CNVIVACTDS0. As well as a Local access and transport area (LATA) of 236. It was first assigned for usage on 01/28/2014.