Area Code 224-645 located in ARLINGTON HEIGHTS, COOK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 224 NXX (Local Number Prefix) : 645 City : ARLINGTON HEIGHTS County : COOK State : IL (Illinois) NXX Use Type : Wireless NXX Intro Version : 6/5/2007 FIPS (Federal Information Processing Standards) : 17031 LATA (Local Access Transport Area) : 358 Rate Center : NORTHBROOK ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 60004 Other Information NPANXX : 224645 County Population : 0 Switch CLLI (Common Language Location Identifier) : ARLHILJQCM0 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 : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : ARLINGTON HEIGHTS Latitude : 42.1437 Longitude : -88.0017 ‹ previous : 224-643 next › : 224-649 Telephone Number List 224-645-0000 ~ 224-645-9999