Area Code 608-206 located in JANESVILLE, ROCK, WI, more detail is as below. Place NPA (Numbering Plan Area) : 608 NXX (Local Number Prefix) : 206 City : JANESVILLE County : ROCK State : WI (Wisconsin) NXX Use Type : Wireless NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 55105 LATA (Local Access Transport Area) : 354 Rate Center : MADISON ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 53545 Other Information NPANXX : 608206 Switch CLLI (Common Language Location Identifier) : MDSNWIPUCM4 MSA CBSA (Core Based Statistical Area) : Janesville, WI MSA CBSA Code (Core Based Statistical Area) : 27500 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : UNITED STATES CELLULAR CORP. - WISCONSIN OCN (Operating Company Number) : 6274 Coverage Area Name : MADISON Latitude : 43.0758 Longitude : -89.3853 ‹ previous : 608-205 next › : 608-207 Telephone Number List 608-206-0000 ~ 608-206-9999