Area Code 618-426 located in VERGENNES, JACKSON, IL, more detail is as below. Place NPA (Numbering Plan Area) : 618 NXX (Local Number Prefix) : 426 City : VERGENNES County : JACKSON State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17077 LATA (Local Access Transport Area) : 362 Rate Center : AVA ZIP Code Count : 13 ZIP Code Frequency : 2 ZIP Code : 62994 Other Information NPANXX : 618426 Switch CLLI (Common Language Location Identifier) : AVA ILXERS0 MSA CBSA (Core Based Statistical Area) : Carbondale, IL MSA CBSA Code (Core Based Statistical Area) : 16060 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : FRONTIER NORTH, INC. - IL OCN (Operating Company Number) : 1015 Coverage Area Name : AVA Latitude : 37.8876 Longitude : -89.4976 ‹ previous : 618-426 next › : 618-426 Telephone Number List 618-426-0000 ~ 618-426-9999