Area Code 606-633 located in LETCHER, LETCHER, KY, more detail is as below. Place NPA (Numbering Plan Area) : 606 NXX (Local Number Prefix) : 633 City : LETCHER County : LETCHER State : KY (Kentucky) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 21133 LATA (Local Access Transport Area) : 466 Rate Center : WHITESBURG ZIP Code Count : 95 ZIP Code Frequency : 2 ZIP Code : 41832 Other Information NPANXX : 606633 Switch CLLI (Common Language Location Identifier) : WHBGKYMADS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL OCN (Operating Company Number) : 9419 Coverage Area Name : WHITESBURG Latitude : 37.1183 Longitude : -82.8280 ‹ previous : 606-633 next › : 606-633 Telephone Number List 606-633-0000 ~ 606-633-9999