Area Code 715-528 located in NIAGARA, MARINETTE, WI, more detail is as below. Place NPA (Numbering Plan Area) : 715 NXX (Local Number Prefix) : 528 City : NIAGARA County : MARINETTE State : WI (Wisconsin) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 55075 LATA (Local Access Transport Area) : 342 Rate Center : FLORENCE ZIP Code Count : 17 ZIP Code Frequency : 2 ZIP Code : 54151 Other Information NPANXX : 715528 Switch CLLI (Common Language Location Identifier) : FLRNWIXARS0 MSA CBSA (Core Based Statistical Area) : Marinette, WI-MI MSA CBSA Code (Core Based Statistical Area) : 31940 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : NIAGARA TELEPHONE CO. OCN (Operating Company Number) : 0920 Coverage Area Name : FLORENCE Latitude : 45.9234 Longitude : -88.2502 ‹ previous : 715-527 next › : 715-528 Telephone Number List 715-528-0000 ~ 715-528-9999