Area Code 712-434 located in ALTA, BUENA VISTA, IA, more detail is as below. Place NPA (Numbering Plan Area) : 712 NXX (Local Number Prefix) : 434 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 : AURELIA ZIP Code Count : 105 ZIP Code Frequency : 13 ZIP Code : 51002 Other Information NPANXX : 712434 Switch CLLI (Common Language Location Identifier) : AURLIAXODS0 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 : PEOPLES TELEPHONE CO. OCN (Operating Company Number) : 1273 Coverage Area Name : AURELIA Latitude : 42.7132 Longitude : -95.4283 ‹ previous : 712-434 next › : 712-434 Telephone Number List 712-434-0000 ~ 712-434-9999