Area Code 806-439 located in LAMESA, DAWSON, TX, more detail is as below. Place NPA (Numbering Plan Area) : 806 NXX (Local Number Prefix) : 439 City : LAMESA County : DAWSON State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 48115 LATA (Local Access Transport Area) : 544 Rate Center : ATEN ZIP Code Count : 2 ZIP Code Frequency : 2 ZIP Code : 79331 Other Information NPANXX : 806439 Switch CLLI (Common Language Location Identifier) : ATENTXXARS0 MSA CBSA (Core Based Statistical Area) : Lamesa, TX MSA CBSA Code (Core Based Statistical Area) : 29500 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : POKA - LAMBRO TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 2131 Coverage Area Name : ODONNELL Latitude : 32.9397 Longitude : -101.7151 ‹ previous : 806-439 next › : 806-439 Telephone Number List 806-439-0000 ~ 806-439-9999