Area Code 715-223 located in UNITY, MARATHON, WI, more detail is as below. Place NPA (Numbering Plan Area) : 715 NXX (Local Number Prefix) : 223 City : UNITY County : MARATHON State : WI (Wisconsin) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 55073 LATA (Local Access Transport Area) : 350 Rate Center : COLBY ZIP Code Count : 388 ZIP Code Frequency : 12 ZIP Code : 54488 Other Information NPANXX : 715223 Switch CLLI (Common Language Location Identifier) : CLBYWIXARS0 MSA CBSA (Core Based Statistical Area) : Wausau, WI MSA CBSA Code (Core Based Statistical Area) : 48140 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : FRONTIER NORTH INC. - WI OCN (Operating Company Number) : 0886 Coverage Area Name : COLBY Latitude : 44.9157 Longitude : -90.3161 ‹ previous : 715-223 next › : 715-223 Telephone Number List 715-223-0000 ~ 715-223-9999