Area Code 534-220 located in EAU CLAIRE, EAU CLAIRE, WI, more detail is as below. Place NPA (Numbering Plan Area) : 534 NXX (Local Number Prefix) : 220 City : EAU CLAIRE County : EAU CLAIRE State : WI (Wisconsin) NXX Use Type : Landline NXX Intro Version : 12/7/2011 FIPS (Federal Information Processing Standards) : 55035 LATA (Local Access Transport Area) : 352 Rate Center : CHIPPEWFLS ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 54703 Other Information NPANXX : 534220 County Population : 0 MSA CBSA (Core Based Statistical Area) : Eau Claire, WI MSA CBSA Code (Core Based Statistical Area) : 20740 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Overlay : L Company : SBC INTERNET SERVICES, INC. OCN (Operating Company Number) : 516C Coverage Area Name : CHIPPEWA FALLS Latitude : 44.9365 Longitude : -91.3936 ‹ previous : 531-333 next › : 539-225 Telephone Number List 534-220-0000 ~ 534-220-9999