About this number
(936) 257 is a landline based telephone number operated by Southwestern Bell and is located in zip code 77535 in the city of Dayton, Texas, which is in Liberty County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 936 and Network Numbering Exchange (NXX - also known as a prefix) of 257. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of DYTNTXDYRS0. As well as a Local access and transport area (LATA) of 560. Zip code 77535 has a population of 31,295 as of the 2010 census.