Area Code 701-827 located in FORT YATES, SIOUX, ND, more detail is as below. Place NPA (Numbering Plan Area) : 701 NXX (Local Number Prefix) : 827 City : FORT YATES County : SIOUX State : ND (North Dakota) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 38085 LATA (Local Access Transport Area) : 640 Rate Center : NOMCLAGHLI ZIP Code Count : 9 ZIP Code Frequency : 90 ZIP Code : 58538 Other Information NPANXX : 701827 Switch CLLI (Common Language Location Identifier) : MCLGSDXADS0 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : WEST RIVER TELECOMMUNICATIONS COOPERATIVE - SD OCN (Operating Company Number) : 4414 Coverage Area Name : FORT YATES Latitude : 45.8158 Longitude : -100.8151 ‹ previous : 701-827 next › : 701-828 Telephone Number List 701-827-0000 ~ 701-827-9999