About this number
(817) 440-7856 is a landline based telephone number operated by Onvoy, Inc. - Tx and is located in zip code 75063 in the city of Irving, Texas, which is in Dallas County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 817, a Network Numbering Exchange (NXX - also known as a prefix) of 440 and a subscriber number of 7856. It has an Operating Company Number (OCN) of 914G. A Common Language Location Identifier (CLLI) of NOCLLIKNOWN. As well as a Local access and transport area (LATA) of 552. It was first assigned for usage on 08/11/2009. Zip code 75063 has a population of 35,090 as of the 2010 census.