Area Code 224-619 located in DEERFIELD, LAKE, IL, more detail is as below. Place NPA (Numbering Plan Area) : 224 NXX (Local Number Prefix) : 619 City : DEERFIELD County : LAKE State : IL (Illinois) NXX Use Type : Wireless NXX Intro Version : 2002-05-01 FIPS (Federal Information Processing Standards) : 17097 LATA (Local Access Transport Area) : 358 Rate Center : DEERFIELD ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 60015 Other Information NPANXX : 224619 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHCGILMF0MD 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 : T-MOBILE USA, INC. OCN (Operating Company Number) : 6529 Coverage Area Name : DEERFIELD Latitude : 42.1722 Longitude : -87.8488 ‹ previous : 224-616 next › : 224-622 Telephone Number List 224-619-0000 ~ 224-619-9999