Area Code 309-627 located in OQUAWKA, HENDERSON, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 627 City : OQUAWKA County : HENDERSON State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17071 LATA (Local Access Transport Area) : 977 Rate Center : BIGGSVILLE ZIP Code Count : 39 ZIP Code Frequency : 6 ZIP Code : 61469 Other Information NPANXX : 309627 County Population : 0 Switch CLLI (Common Language Location Identifier) : BGVLILXDRS1 MSA CBSA (Core Based Statistical Area) : Burlington, IA-IL MSA CBSA Code (Core Based Statistical Area) : 15460 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 : BIGGSVILLE Latitude : 40.8487 Longitude : -90.8671 ‹ previous : 309-627 next › : 309-627 Telephone Number List 309-627-0000 ~ 309-627-9999