Area Code 618-633 located in ALHAMBRA, MADISON, IL, more detail is as below. Place NPA (Numbering Plan Area) : 618 NXX (Local Number Prefix) : 633 City : ALHAMBRA County : MADISON State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17119 LATA (Local Access Transport Area) : 520 Rate Center : HAMEL ZIP Code Count : 39 ZIP Code Frequency : 8 ZIP Code : 62001 Other Information NPANXX : 618633 Switch CLLI (Common Language Location Identifier) : HAMLILXERS0 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 : MADISON TELEPHONE CO. OCN (Operating Company Number) : 1049 Coverage Area Name : WORDEN Latitude : 38.8877 Longitude : -89.8441 ‹ previous : 618-633 next › : 618-633 Telephone Number List 618-633-0000 ~ 618-633-9999