About this number
(830) 374 is a landline based telephone number operated by Southwestern Bell and is located in zip code 78839 in the city of Crystal City, Texas, which is in Zavala County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 830 and Network Numbering Exchange (NXX - also known as a prefix) of 374. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of CRCYTXCCRS0. As well as a Local access and transport area (LATA) of 566. Zip code 78839 has a population of 8,578 as of the 2010 census.