Area Code 224-231 located in ROLLING MEADOWS, COOK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 224 NXX (Local Number Prefix) : 231 City : ROLLING MEADOWS County : COOK State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 9/6/2012 FIPS (Federal Information Processing Standards) : 17031 LATA (Local Access Transport Area) : 358 Rate Center : ROSELLE ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 60008 Other Information NPANXX : 224231 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 : TELEPORT COMMUNICATIONS AMERICA, LLC - IL OCN (Operating Company Number) : 7136 Coverage Area Name : SCHAUMBURG Latitude : 42.0535 Longitude : -88.0250 ‹ previous : 224-230 next › : 224-232 Telephone Number List 224-231-0000 ~ 224-231-9999