About this number
(817) 554 is a landline based telephone number operated by Caprock Telecommunications Cor and is located in zip code 75201 in the city of Dallas, 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 and Network Numbering Exchange (NXX - also known as a prefix) of 554. It has an Operating Company Number (OCN) of 7982. A Common Language Location Identifier (CLLI) of DLLSTXHMDS0. As well as a Local access and transport area (LATA) of 552. Zip code 75201 has a population of 9,409 as of the 2010 census.