Area Code 414-243 located in MILWAUKEE, MILWAUKEE, WI, more detail is as below. Place NPA (Numbering Plan Area) : 414 NXX (Local Number Prefix) : 243 City : MILWAUKEE County : MILWAUKEE State : WI (Wisconsin) NXX Use Type : Wireless NXX Intro Version : 2003-05-09 FIPS (Federal Information Processing Standards) : 55079 LATA (Local Access Transport Area) : 356 Rate Center : MILWAUKZN1 ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 53205 Other Information NPANXX : 414243 Switch CLLI (Common Language Location Identifier) : WKSHWIROCM1 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 : T-MOBILE USA, INC. OCN (Operating Company Number) : 6529 Coverage Area Name : MILWAUKEE Latitude : 43.0428 Longitude : -87.9488 ‹ previous : 414-242 next › : 414-243 Telephone Number List 414-243-0000 ~ 414-243-9999