Area Code 309-245 located in FARMINGTON, FULTON, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 245 City : FARMINGTON County : FULTON State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17057 LATA (Local Access Transport Area) : 368 Rate Center : FARMINGTON ZIP Code Count : 1275 ZIP Code Frequency : 93 ZIP Code : 61531 Other Information NPANXX : 309245 County Population : 0 Switch CLLI (Common Language Location Identifier) : FRTNILFMRS0 MSA CBSA (Core Based Statistical Area) : Canton, IL MSA CBSA Code (Core Based Statistical Area) : 15900 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : AMERITECH ILLINOIS OCN (Operating Company Number) : 9329 Coverage Area Name : FARMINGTON Latitude : 40.6948 Longitude : -90.0025 ‹ previous : 309-245 next › : 309-246 Telephone Number List 309-245-0000 ~ 309-245-9999