About this number
(214) 340 is a landline based telephone number operated by Southwestern Bell and is located in zip code 75238 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 214 and Network Numbering Exchange (NXX - also known as a prefix) of 340. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of DLLSTXDIDS0. As well as a Local access and transport area (LATA) of 552. Zip code 75238 has a population of 30,483 as of the 2010 census.