Area Code 712-376 located in GRANVILLE, SIOUX, IA, more detail is as below. Place NPA (Numbering Plan Area) : 712 NXX (Local Number Prefix) : 376 City : GRANVILLE County : SIOUX State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19167 LATA (Local Access Transport Area) : 630 Rate Center : MARCUS ZIP Code Count : 14 ZIP Code Frequency : 2 ZIP Code : 51022 Other Information NPANXX : 712376 Switch CLLI (Common Language Location Identifier) : MRCSIAXORS3 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : WEST IOWA TELEPHONE CO. OCN (Operating Company Number) : 1331 Coverage Area Name : MARCUS Latitude : 42.8255 Longitude : -95.8037 ‹ previous : 712-376 next › : 712-376 Telephone Number List 712-376-0000 ~ 712-376-9999