About this number
(254) 257 is a landline based telephone number operated by Ama Comm., LLC DBA Ama*Techtel 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 254 and Network Numbering Exchange (NXX - also known as a prefix) of 257. It has an Operating Company Number (OCN) of 132. A Common Language Location Identifier (CLLI) of DLLSTX3773Z. As well as a Local access and transport area (LATA) of 552. It was first assigned for usage on 05/10/2010. Zip code 75201 has a population of 9,409 as of the 2010 census.