About this number
(972) 309 is a landline based telephone number operated by Southwestern Bell Telephone Co and is located in zip code 75002 in the city of Allen, Texas, which is in Collin County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 972 and Network Numbering Exchange (NXX - also known as a prefix) of 309. It has an Operating Company Number (OCN) of 7726. A Common Language Location Identifier (CLLI) of ALLNTXSADS0. As well as a Local access and transport area (LATA) of 552. Zip code 75002 has a population of 63,140 as of the 2010 census.