Area Code 309-529 located in ALPHA, HENRY, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 529 City : ALPHA 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 : ALPHA ZIP Code Count : 418 ZIP Code Frequency : 87 ZIP Code : 61413 Other Information NPANXX : 309529 County Population : 0 Switch CLLI (Common Language Location Identifier) : ALPHILXDRS0 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 : ALPHA Latitude : 41.1932 Longitude : -90.3813 ‹ previous : 309-529 next › : 309-530 Telephone Number List 309-529-0000 ~ 309-529-9999