Area Code 319-685 located in BROOKLYN, POWESHIEK, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 685 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 : GUERNSEY ZIP Code Count : 11 ZIP Code Frequency : 8 ZIP Code : 52211 Other Information NPANXX : 319685 County Population : 0 Switch CLLI (Common Language Location Identifier) : GRNSIAXORS6 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : COOPERATIVE TELEPHONE CO. OCN (Operating Company Number) : 1139 Coverage Area Name : GUERNSEY Latitude : 41.6483 Longitude : -92.3453 ‹ previous : 319-685 next › : 319-685 Telephone Number List 319-685-0000 ~ 319-685-9999