Area Code 309-476 located in ANDOVER, HENRY, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 476 City : ANDOVER County : HENRY State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17073 LATA (Local Access Transport Area) : 634 Rate Center : ANDOVER ZIP Code Count : 54 ZIP Code Frequency : 21 ZIP Code : 61233 Other Information NPANXX : 309476 County Population : 0 Switch CLLI (Common Language Location Identifier) : ANDVILXDRS0 MSA CBSA (Core Based Statistical Area) : Davenport-Moline-Rock Island, IA-IL MSA CBSA Code (Core Based Statistical Area) : 19340 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL OCN (Operating Company Number) : 1183 Coverage Area Name : LYNN CENTER Latitude : 41.2947 Longitude : -90.2929 ‹ previous : 309-475 next › : 309-476 Telephone Number List 309-476-0000 ~ 309-476-9999