About this number
(817) 400 is a landline based telephone number operated by Ymax Communications Corp. - Tx and is located in the city of Grapevine, Texas and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 817 and Network Numbering Exchange (NXX - also known as a prefix) of 400. It has an Operating Company Number (OCN) of 327E. A Common Language Location Identifier (CLLI) of IRNGTX276MD. As well as a Local access and transport area (LATA) of 552. It was first assigned for usage on 11/21/2006.