Area Code 309-246 located in LACON, MARSHALL, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 246 City : LACON County : MARSHALL State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17123 LATA (Local Access Transport Area) : 368 Rate Center : LACON ZIP Code Count : 1133 ZIP Code Frequency : 95 ZIP Code : 61540 Other Information NPANXX : 309246 County Population : 0 Switch CLLI (Common Language Location Identifier) : LACNILXDRS0 MSA CBSA (Core Based Statistical Area) : Peoria, IL MSA CBSA Code (Core Based Statistical Area) : 37900 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : GALLATIN RIVER COMMUNICATIONS DBA CENTURYLINK OCN (Operating Company Number) : 1057 Coverage Area Name : LACON Latitude : 41.0254 Longitude : -89.4062 ‹ previous : 309-246 next › : 309-247 Telephone Number List 309-246-0000 ~ 309-246-9999