Area Code 217-310 located in MACON, MACON, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 310 City : MACON County : MACON State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 2003-05-09 FIPS (Federal Information Processing Standards) : 17115 LATA (Local Access Transport Area) : 374 Rate Center : MACON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 62544 Other Information NPANXX : 217310 County Population : 0 Switch CLLI (Common Language Location Identifier) : SPFDILMBTMD MSA CBSA (Core Based Statistical Area) : Decatur, IL MSA CBSA Code (Core Based Statistical Area) : 19500 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - IL OCN (Operating Company Number) : 6115 Coverage Area Name : MACON Latitude : 39.7096 Longitude : -88.9990 ‹ previous : 217-308 next › : 217-313 Telephone Number List 217-310-0000 ~ 217-310-9999