Area Code 618-733 located in CARTERVILLE, WILLIAMSON, IL, more detail is as below. Place NPA (Numbering Plan Area) : 618 NXX (Local Number Prefix) : 733 City : CARTERVILLE County : WILLIAMSON State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 2005-06-25 FIPS (Federal Information Processing Standards) : 17199 LATA (Local Access Transport Area) : 362 Rate Center : CARTERVL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 62918 Other Information NPANXX : 618733 Switch CLLI (Common Language Location Identifier) : CRDLILZETMD MSA CBSA (Core Based Statistical Area) : Marion-Herrin, IL MSA CBSA Code (Core Based Statistical Area) : 32060 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SPRINT COMMUNICATIONS COMPANY, L.P. - IL OCN (Operating Company Number) : 8721 Coverage Area Name : CARTERVILLE Latitude : 37.7666 Longitude : -89.0807 ‹ previous : 618-732 next › : 618-734 Telephone Number List 618-733-0000 ~ 618-733-9999