Area Code 262-312 located in WAUKESHA, WAUKESHA, WI, more detail is as below. Place NPA (Numbering Plan Area) : 262 NXX (Local Number Prefix) : 312 City : WAUKESHA County : WAUKESHA State : WI (Wisconsin) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 55133 LATA (Local Access Transport Area) : 356 Rate Center : WAUKESHA ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 53186 Other Information NPANXX : 262312 County Population : 0 Switch CLLI (Common Language Location Identifier) : MILXWIILDS0 MSA CBSA (Core Based Statistical Area) : Milwaukee-Waukesha-West Allis, WI MSA CBSA Code (Core Based Statistical Area) : 33340 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MCIMETRO ACCESS TRANSMISSION SERVICES LLC OCN (Operating Company Number) : 7229 Coverage Area Name : WAUKESHA Latitude : 43.0098 Longitude : -88.2272 ‹ previous : 262-312 next › : 262-313 Telephone Number List 262-312-0000 ~ 262-312-9999