Area Code 262-728 located in DELAVAN, WALWORTH, WI, more detail is as below. Place NPA (Numbering Plan Area) : 262 NXX (Local Number Prefix) : 728 City : DELAVAN County : WALWORTH State : WI (Wisconsin) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 55127 LATA (Local Access Transport Area) : 356 Rate Center : DELAVAN ZIP Code Count : 5295 ZIP Code Frequency : 97 ZIP Code : 53115 Other Information NPANXX : 262728 County Population : 0 Switch CLLI (Common Language Location Identifier) : DLVNWI11RS0 MSA CBSA (Core Based Statistical Area) : Whitewater, WI MSA CBSA Code (Core Based Statistical Area) : 48580 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : AMERITECH WISCONSIN OCN (Operating Company Number) : 9327 Coverage Area Name : DELAVAN Latitude : 42.6286 Longitude : -88.6312 ‹ previous : 262-728 next › : 262-729 Telephone Number List 262-728-0000 ~ 262-728-9999