Area Code 920-315 located in VAN DYNE, FOND DU LAC, WI, more detail is as below. Place NPA (Numbering Plan Area) : 920 NXX (Local Number Prefix) : 315 City : VAN DYNE County : FOND DU LAC State : WI (Wisconsin) NXX Use Type : Wireless NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 55039 Rate Center : VAN DYNE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 54979 Other Information NPANXX : 920315 Switch CLLI (Common Language Location Identifier) : GNBYWIEMH15 MSA CBSA (Core Based Statistical Area) : Fond du Lac, WI MSA CBSA Code (Core Based Statistical Area) : 22540 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 920-314 next › : 920-316 Telephone Number List 920-315-0000 ~ 920-315-9999