Area Code 806-820 located in GROOM, CARSON, TX, more detail is as below. Place NPA (Numbering Plan Area) : 806 NXX (Local Number Prefix) : 820 City : GROOM County : CARSON State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 7/21/2008 FIPS (Federal Information Processing Standards) : 48065 LATA (Local Access Transport Area) : 546 Rate Center : GROOM ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 79039 Other Information NPANXX : 806820 MSA CBSA (Core Based Statistical Area) : Amarillo, TX MSA CBSA Code (Core Based Statistical Area) : 11100 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX OCN (Operating Company Number) : 0132 Coverage Area Name : GROOM Latitude : 35.1969 Longitude : -101.1074 ‹ previous : 806-807 next › : 806-822 Telephone Number List 806-820-0000 ~ 806-820-9999