Area Code 715-278 located in MASON, BAYFIELD, WI, more detail is as below. Place NPA (Numbering Plan Area) : 715 NXX (Local Number Prefix) : 278 City : MASON County : BAYFIELD State : WI (Wisconsin) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 55007 LATA (Local Access Transport Area) : 352 Rate Center : MARENGO ZIP Code Count : 29 ZIP Code Frequency : 6 ZIP Code : 54856 Other Information NPANXX : 715278 Switch CLLI (Common Language Location Identifier) : MRNGWIXARS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CHEQUAMEGON COMMUNICATIONS COOPERATIVE, INC. OCN (Operating Company Number) : 0860 Coverage Area Name : MARENGO Latitude : 46.4225 Longitude : -90.8223 ‹ previous : 715-278 next › : 715-278 Telephone Number List 715-278-0000 ~ 715-278-9999