Area Code 712-200 located in ALTA, BUENA VISTA, IA, more detail is as below. Place NPA (Numbering Plan Area) : 712 NXX (Local Number Prefix) : 200 City : ALTA County : BUENA VISTA State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19021 LATA (Local Access Transport Area) : 630 Rate Center : ALTA ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 51002 Other Information NPANXX : 712200 Switch CLLI (Common Language Location Identifier) : ALTAIA01DS0 MSA CBSA (Core Based Statistical Area) : Storm Lake, IA MSA CBSA Code (Core Based Statistical Area) : 44740 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ALTA MUNICIPAL UTILITIES - IA OCN (Operating Company Number) : 3097 Coverage Area Name : ALTA Latitude : 42.6735 Longitude : -95.3024 ‹ previous : 709-988 next › : 712-202 Telephone Number List 712-200-0000 ~ 712-200-9999