Area Code 309-984 located in KIRKWOOD, WARREN, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 984 City : KIRKWOOD County : WARREN State : IL (Illinois) NXX Intro Version : 2/3/2007 FIPS (Federal Information Processing Standards) : 17187 Rate Center : KIRKWOOD ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 61447 Other Information NPANXX : 309984 County Population : 0 Switch CLLI (Common Language Location Identifier) : MCMBILXD0MD MSA CBSA (Core Based Statistical Area) : Galesburg, IL MSA CBSA Code (Core Based Statistical Area) : 23660 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 309-981 next › : 309-987 Telephone Number List 309-984-0000 ~ 309-984-9999