Area Code 262-550 located in WAUKESHA, WAUKESHA, WI, more detail is as below. Place NPA (Numbering Plan Area) : 262 NXX (Local Number Prefix) : 550 City : WAUKESHA County : WAUKESHA State : WI (Wisconsin) NXX Intro Version : 12/4/2008 Rate Center : WAUKESHA ZIP Code Count : 0 ZIP Code Frequency : 0 Other Information NPANXX : 262550 County Population : 0 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 Latitude : None Longitude : None ‹ previous : 262-549 next › : 262-551 Telephone Number List 262-550-0000 ~ 262-550-9999