Area Code 331-207 located in YORKVILLE, KENDALL, IL, more detail is as below. Place NPA (Numbering Plan Area) : 331 NXX (Local Number Prefix) : 207 City : YORKVILLE County : KENDALL State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 11/1/2011 FIPS (Federal Information Processing Standards) : 17093 LATA (Local Access Transport Area) : 358 Rate Center : YORKVILLE ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 60560 Other Information NPANXX : 331207 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 : LEVEL 3 COMMUNICATIONS, LLC - IL OCN (Operating Company Number) : 6115 Coverage Area Name : YORKVILLE Latitude : 41.6421 Longitude : -88.4515 ‹ previous : 331-206 next › : 331-208 Telephone Number List 331-207-0000 ~ 331-207-9999