Area Code 319-215 located in WATERLOO, BLACK HAWK, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 215 City : WATERLOO County : BLACK HAWK State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 2005-03-27 FIPS (Federal Information Processing Standards) : 19013 LATA (Local Access Transport Area) : 635 Rate Center : WATERLOO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 50701 Other Information NPANXX : 319215 County Population : 0 Switch CLLI (Common Language Location Identifier) : CDRRIADTSMD 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 : SPRINT COMMUNICATIONS COMPANY, L.P. - IA OCN (Operating Company Number) : 8939 Coverage Area Name : WATERLOO Latitude : 42.4900 Longitude : -92.3439 ‹ previous : 319-215 next › : 319-217 Telephone Number List 319-215-0000 ~ 319-215-9999