Area Code 630-203 located in WILLOWBROOK, DUPAGE, IL, more detail is as below. Place NPA (Numbering Plan Area) : 630 NXX (Local Number Prefix) : 203 City : WILLOWBROOK County : DUPAGE State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1996-10-15 FIPS (Federal Information Processing Standards) : 17043 LATA (Local Access Transport Area) : 358 Rate Center : HINSDALE ZIP Code Count : 3 ZIP Code Frequency : 43 ZIP Code : 60527 Other Information NPANXX : 630203 Switch CLLI (Common Language Location Identifier) : EGVGILIFDS1 MSA CBSA (Core Based Statistical Area) : Chicago-Naperville-Joliet, IL-IN-WI MSA CBSA Code (Core Based Statistical Area) : 16980 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MCI WORLDCOM COMMUNICATIONS, INC. - IL OCN (Operating Company Number) : 7196 Coverage Area Name : ELK GROVE VILLAGE Latitude : 41.9948 Longitude : -87.9690 ‹ previous : 630-202 next › : 630-203 Telephone Number List 630-203-0000 ~ 630-203-9999
