Area Code 630-354 located in LA GRANGE, COOK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 630 NXX (Local Number Prefix) : 354 City : LA GRANGE County : COOK State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 17031 LATA (Local Access Transport Area) : 358 Rate Center : BENSENVL ZIP Code Count : 3 ZIP Code Frequency : 100 ZIP Code : 60525 Other Information NPANXX : 630354 Switch CLLI (Common Language Location Identifier) : CHCGILCPDS5 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 : PAETEC COMMUNICATIONS, INC. - IL OCN (Operating Company Number) : 4717 Coverage Area Name : BENSENVILLE Latitude : 41.9572 Longitude : -87.9399 ‹ previous : 630-353 next › : 630-355 Telephone Number List 630-354-0000 ~ 630-354-9999