Area Code 224-265 located in MOUNT PROSPECT, COOK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 224 NXX (Local Number Prefix) : 265 City : MOUNT PROSPECT County : COOK State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 2005-03-27 FIPS (Federal Information Processing Standards) : 17031 LATA (Local Access Transport Area) : 358 Rate Center : ELK GROVE ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 60056 Other Information NPANXX : 224265 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHCGIL24DS3 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 : GLOBALCOM, INC.-IL OCN (Operating Company Number) : 4604 Coverage Area Name : ELK GROVE VILLAGE Latitude : 42.0282 Longitude : -87.9872 ‹ previous : 224-264 next › : 224-265 Telephone Number List 224-265-0000 ~ 224-265-9999