Area Code 618-424 located in ADDIEVILLE, WASHINGTON, IL, more detail is as below. Place NPA (Numbering Plan Area) : 618 NXX (Local Number Prefix) : 424 City : ADDIEVILLE County : WASHINGTON State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17189 LATA (Local Access Transport Area) : 520 Rate Center : ADDIEVILLE ZIP Code Count : 148 ZIP Code Frequency : 62 ZIP Code : 62214 Other Information NPANXX : 618424 Switch CLLI (Common Language Location Identifier) : ADVLILXERS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL OCN (Operating Company Number) : 1183 Coverage Area Name : OKAWVILLE Latitude : 38.3919 Longitude : -89.4908 ‹ previous : 618-424 next › : 618-425 Telephone Number List 618-424-0000 ~ 618-424-9999