Area Code 309-997 located in GOOD HOPE, MCDONOUGH, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 997 City : GOOD HOPE County : MCDONOUGH State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 6/6/2006 FIPS (Federal Information Processing Standards) : 17109 LATA (Local Access Transport Area) : 977 Rate Center : GOOD HOPE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 61438 Other Information NPANXX : 309997 County Population : 0 Switch CLLI (Common Language Location Identifier) : MCMBILXDSMD MSA CBSA (Core Based Statistical Area) : Macomb, IL MSA CBSA Code (Core Based Statistical Area) : 31380 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL OCN (Operating Company Number) : 846F Coverage Area Name : GOOD HOPE Latitude : 40.5569 Longitude : -90.6773 ‹ previous : 309-995 next › : 309-999 Telephone Number List 309-997-0000 ~ 309-997-9999