Area Code 331-803 located in HOMER GLEN, WILL, IL, more detail is as below. Place NPA (Numbering Plan Area) : 331 NXX (Local Number Prefix) : 803 City : HOMER GLEN County : WILL State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 4/10/2013 FIPS (Federal Information Processing Standards) : 17197 LATA (Local Access Transport Area) : 358 Rate Center : LEMONT ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 60491 Other Information NPANXX : 331803 County Population : 0 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 Overlay : L Company : PEERLESS NETWORK OF ILLINOIS, LLC - IL OCN (Operating Company Number) : 063E Coverage Area Name : LEMONT Latitude : 41.6690 Longitude : -87.9903 ‹ previous : 331-777 next › : 331-825 Telephone Number List 331-803-0000 ~ 331-803-9999