Area Code 618-422 located in ADDIEVILLE, WASHINGTON, IL, more detail is as below. Place NPA (Numbering Plan Area) : 618 NXX (Local Number Prefix) : 422 City : ADDIEVILLE County : WASHINGTON State : IL (Illinois) NXX Use Type : Wireless NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 17189 LATA (Local Access Transport Area) : 520 Rate Center : COLLINSVL ZIP Code Count : 1 ZIP Code Frequency : 33 ZIP Code : 62214 Other Information NPANXX : 618422 Switch CLLI (Common Language Location Identifier) : FVHGILAY2MD Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : AMERICAN MESSAGING (AM), INC. OCN (Operating Company Number) : 9748 Coverage Area Name : COLLINSVILLE Latitude : 38.6787 Longitude : -89.9831 ‹ previous : 618-422 next › : 618-423 Telephone Number List 618-422-0000 ~ 618-422-9999