About this number
(972) 705-4644 is a landline based telephone number operated by Southwestern Bell and is located in zip code 75081 in the city of Richardson, 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 972, a Network Numbering Exchange (NXX - also known as a prefix) of 705 and a subscriber number of 4644. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of DLLSTXRNDS0. As well as a Local access and transport area (LATA) of 552. Zip code 75081 has a population of 34,156 as of the 2010 census.