Area Code 331-216 located in OSWEGO, KENDALL, IL, more detail is as below. Place NPA (Numbering Plan Area) : 331 NXX (Local Number Prefix) : 216 City : OSWEGO County : KENDALL State : IL (Illinois) NXX Use Type : Wireless NXX Intro Version : 10/31/2012 FIPS (Federal Information Processing Standards) : 17093 LATA (Local Access Transport Area) : 358 Rate Center : OSWEGO ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 60543 Other Information NPANXX : 331216 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 : NEW CINGULAR WIRELESS PCS, LLC - IL OCN (Operating Company Number) : 6534 Coverage Area Name : OSWEGO Latitude : 41.6822 Longitude : -88.3546 ‹ previous : 331-215 next › : 331-218 Telephone Number List 331-216-0000 ~ 331-216-9999