About this number
(817) 391 is a landline based telephone number operated by Allegiance Telecom, Inc. - Tx and is located in zip code 75207 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 391. It has an Operating Company Number (OCN) of 8413. A Common Language Location Identifier (CLLI) of DLLSTX978MD. As well as a Local access and transport area (LATA) of 552. Zip code 75207 has a population of 9,648 as of the 2010 census.