Area Code 319-989 located in DIKE, GRUNDY, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 989 City : DIKE County : GRUNDY State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19075 LATA (Local Access Transport Area) : 635 Rate Center : PARKERSBG ZIP Code Count : 467 ZIP Code Frequency : 72 ZIP Code : 50624 Other Information NPANXX : 319989 County Population : 0 Switch CLLI (Common Language Location Identifier) : DIKEIACORS1 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 : DIKE Latitude : 42.4627 Longitude : -92.6351 ‹ previous : 319-989 next › : 319-999 Telephone Number List 319-989-0000 ~ 319-989-9999