Area Code 262-354 located in OCONOMOWOC, WAUKESHA, WI, more detail is as below. Place NPA (Numbering Plan Area) : 262 NXX (Local Number Prefix) : 354 City : OCONOMOWOC County : WAUKESHA State : WI (Wisconsin) NXX Use Type : Landline NXX Intro Version : 2002-05-01 FIPS (Federal Information Processing Standards) : 55133 LATA (Local Access Transport Area) : 356 Rate Center : OCONOMOWOC ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 53066 Other Information NPANXX : 262354 County Population : 0 Switch CLLI (Common Language Location Identifier) : WTJTWIAA1MD 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 : AT&T LOCAL OCN (Operating Company Number) : 7421 Coverage Area Name : OCONOMOWOC Latitude : 43.1103 Longitude : -88.5017 ‹ previous : 262-353 next › : 262-355 Telephone Number List 262-354-0000 ~ 262-354-9999