Area Code 979-256 located in SEALY, AUSTIN, TX, more detail is as below. Place NPA (Numbering Plan Area) : 979 NXX (Local Number Prefix) : 256 City : SEALY County : AUSTIN State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 2002-08-04 FIPS (Federal Information Processing Standards) : 48015 LATA (Local Access Transport Area) : 560 Rate Center : SEALY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 77474 Other Information NPANXX : 979256 Switch CLLI (Common Language Location Identifier) : HSTQTX02DS0 MSA CBSA (Core Based Statistical Area) : Houston-Sugar Land-Baytown, TX MSA CBSA Code (Core Based Statistical Area) : 26420 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - TX OCN (Operating Company Number) : 6114 Coverage Area Name : SEALY Latitude : 29.7806 Longitude : -96.1571 ‹ previous : 979-255 next › : 979-257 Telephone Number List 979-256-0000 ~ 979-256-9999