Area Code 309-315 located in ABINGDON, KNOX, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 315 City : ABINGDON County : KNOX State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 2005-06-25 FIPS (Federal Information Processing Standards) : 17095 Rate Center : ABINGDON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 61410 Other Information NPANXX : 309315 County Population : 0 Switch CLLI (Common Language Location Identifier) : MCMBILXDSMD 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 : 309-314 next › : 309-317 Telephone Number List 309-315-0000 ~ 309-315-9999