Area Code 618-425 located in SMITHBORO, BOND, IL, more detail is as below. Place NPA (Numbering Plan Area) : 618 NXX (Local Number Prefix) : 425 City : SMITHBORO County : BOND State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17005 LATA (Local Access Transport Area) : 520 Rate Center : PITTSBURG ZIP Code Count : 34 ZIP Code Frequency : 14 ZIP Code : 62284 Other Information NPANXX : 618425 Switch CLLI (Common Language Location Identifier) : PSBGILXERS0 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 : CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL OCN (Operating Company Number) : 1183 Coverage Area Name : MULBERRY GROVE Latitude : 38.8726 Longitude : -89.2283 ‹ previous : 618-425 next › : 618-425 Telephone Number List 618-425-0000 ~ 618-425-9999