Area Code 618-205 located in COLLINSVILLE, MADISON, IL, more detail is as below. Place NPA (Numbering Plan Area) : 618 NXX (Local Number Prefix) : 205 City : COLLINSVILLE County : MADISON State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 2000-10-31 FIPS (Federal Information Processing Standards) : 17119 LATA (Local Access Transport Area) : 520 Rate Center : GLENCARBON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 62234 Other Information NPANXX : 618205 Switch CLLI (Common Language Location Identifier) : COVLILCQLMD MSA CBSA (Core Based Statistical Area) : St. Louis, MO-IL MSA CBSA Code (Core Based Statistical Area) : 41180 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : WINDSTREAM NUVOX ILLINOIS, INC. - IL OCN (Operating Company Number) : 3377 Coverage Area Name : COLLINSVILLE Latitude : 38.6724 Longitude : -89.9935 ‹ previous : 618-204 next › : 618-206 Telephone Number List 618-205-0000 ~ 618-205-9999