About this number
(940) 312 is a landline based telephone number operated by Southwestern Bell Telephone Co and is located in zip code 75034 in the city of Frisco, 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 940 and Network Numbering Exchange (NXX - also known as a prefix) of 312. It has an Operating Company Number (OCN) of 7726. A Common Language Location Identifier (CLLI) of FRSCTXESDS0. As well as a Local access and transport area (LATA) of 552. It was first assigned for usage on 01/05/2006. Zip code 75034 has a population of 72,723 as of the 2010 census.