Area Code 608-204 located in MADISON, DANE, WI, more detail is as below. Place NPA (Numbering Plan Area) : 608 NXX (Local Number Prefix) : 204 City : MADISON County : DANE State : WI (Wisconsin) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 55025 LATA (Local Access Transport Area) : 354 Rate Center : MADISON ZIP Code Count : 20 ZIP Code Frequency : 3 ZIP Code : 53716 Other Information NPANXX : 608204 Switch CLLI (Common Language Location Identifier) : MDSNWIKWDS0 MSA CBSA (Core Based Statistical Area) : Madison, WI MSA CBSA Code (Core Based Statistical Area) : 31540 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : TDS METROCOM INC. - WI OCN (Operating Company Number) : 7804 Coverage Area Name : MADISON Latitude : 43.0781 Longitude : -89.4469 ‹ previous : 608-204 next › : 608-204 Telephone Number List 608-204-0000 ~ 608-204-9999