Area Code 319-525 located in BROOKLYN, POWESHIEK, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 525 City : BROOKLYN County : POWESHIEK State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19157 LATA (Local Access Transport Area) : 635 Rate Center : HARTWICK ZIP Code Count : 13 ZIP Code Frequency : 14 ZIP Code : 52211 Other Information NPANXX : 319525 County Population : 0 Switch CLLI (Common Language Location Identifier) : HRWKIAXORS5 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : COOPERATIVE TELEPHONE CO. OCN (Operating Company Number) : 1139 Coverage Area Name : HARTWICK Latitude : 41.7868 Longitude : -92.3475 ‹ previous : 319-524 next › : 319-525 Telephone Number List 319-525-0000 ~ 319-525-9999