About this number
(903) 464 is a landline based telephone number operated by Southwestern Bell and is located in zip code 75020 in the city of Denison, Texas, which is in Grayson County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 903 and Network Numbering Exchange (NXX - also known as a prefix) of 464. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of DESNTXHODS0. As well as a Local access and transport area (LATA) of 552. Zip code 75020 has a population of 21,872 as of the 2010 census.