Area Code 319-859 located in CEDAR FALLS, BLACK HAWK, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 859 City : CEDAR FALLS County : BLACK HAWK State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1998-05-18 FIPS (Federal Information Processing Standards) : 19013 LATA (Local Access Transport Area) : 635 Rate Center : CEDARFALLS ZIP Code Count : 252 ZIP Code Frequency : 100 ZIP Code : 50613 Other Information NPANXX : 319859 County Population : 0 Switch CLLI (Common Language Location Identifier) : CDFLIACODS0 MSA CBSA (Core Based Statistical Area) : Waterloo-Cedar Falls, IA MSA CBSA Code (Core Based Statistical Area) : 47940 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9631 Coverage Area Name : CEDAR FALLS Latitude : 42.5251 Longitude : -92.4446 ‹ previous : 319-858 next › : 319-861 Telephone Number List 319-859-0000 ~ 319-859-9999