Area Code 936-668 located in HUNTSVILLE, WALKER, TX, more detail is as below. Place NPA (Numbering Plan Area) : 936 NXX (Local Number Prefix) : 668 City : HUNTSVILLE County : WALKER State : TX (Texas) NXX Use Type : Wireless NXX Intro Version : 2001-03-03 FIPS (Federal Information Processing Standards) : 48471 LATA (Local Access Transport Area) : 560 Rate Center : XXXXXXXXXX ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 77320 Other Information NPANXX : 936668 Switch CLLI (Common Language Location Identifier) : HSTDTXBGCM0 MSA CBSA (Core Based Statistical Area) : Huntsville, TX MSA CBSA Code (Core Based Statistical Area) : 26660 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : AERIAL COMMUNICATIONS OCN (Operating Company Number) : 6701 Coverage Area Name : HUNTSVILLE Latitude : 30.7271 Longitude : -95.5591 ‹ previous : 936-666 next › : 936-671 Telephone Number List 936-668-0000 ~ 936-668-9999