Area Code 224-215 located in WILMETTE, COOK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 224 NXX (Local Number Prefix) : 215 City : WILMETTE County : COOK State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 4/20/2012 FIPS (Federal Information Processing Standards) : 17031 LATA (Local Access Transport Area) : 358 Rate Center : WILMETTE ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 60091 Other Information NPANXX : 224215 County Population : 0 MSA CBSA (Core Based Statistical Area) : Chicago-Naperville-Joliet, IL-IN-WI MSA CBSA Code (Core Based Statistical Area) : 16980 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Overlay : L Company : LEVEL 3 COMMUNICATIONS, LLC - IL OCN (Operating Company Number) : 6115 Coverage Area Name : WILMETTE Latitude : 42.0770 Longitude : -87.7141 ‹ previous : 224-214 next › : 224-216 Telephone Number List 224-215-0000 ~ 224-215-9999