Area Code 920-206 located in IXONIA, JEFFERSON, WI, more detail is as below. Place NPA (Numbering Plan Area) : 920 NXX (Local Number Prefix) : 206 City : IXONIA County : JEFFERSON State : WI (Wisconsin) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 55055 LATA (Local Access Transport Area) : 356 Rate Center : WATERTOWN ZIP Code Count : 148 ZIP Code Frequency : 6 ZIP Code : 53036 Other Information NPANXX : 920206 Switch CLLI (Common Language Location Identifier) : WTTWWI01DSA MSA CBSA (Core Based Statistical Area) : Watertown-Fort Atkinson, WI MSA CBSA Code (Core Based Statistical Area) : 48020 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : AMERITECH WISCONSIN OCN (Operating Company Number) : 9327 Coverage Area Name : WATERTOWN Latitude : 43.1931 Longitude : -88.7184 ‹ previous : 920-206 next › : 920-206 Telephone Number List 920-206-0000 ~ 920-206-9999