About this number
There is 1 OK rating for this phone number. (571) 266-4548 is a landline based telephone number operated by Xo Virginia, LLC and is located in zip code 22091 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 266 and a subscriber number of 4548. It has an Operating Company Number (OCN) of 4772. A Common Language Location Identifier (CLLI) of WASHDCCZDS0. As well as a Local access and transport area (LATA) of 236. It was first assigned for usage on 11/02/2009.