Area Code 605-205 located in ELK POINT, UNION, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 205 City : ELK POINT County : UNION State : SD (South Dakota) NXX Use Type : Wireless NXX Intro Version : 2003-08-31 FIPS (Federal Information Processing Standards) : 46127 LATA (Local Access Transport Area) : 640 Rate Center : ELK POINT ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 57025 Other Information NPANXX : 605205 County Population : 0 Switch CLLI (Common Language Location Identifier) : YNTNSDABCM6 MSA CBSA (Core Based Statistical Area) : Sioux City, IA-NE-SD MSA CBSA Code (Core Based Statistical Area) : 43580 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - IL OCN (Operating Company Number) : 6534 Coverage Area Name : ELK POINT Latitude : 42.6845 Longitude : -96.6840 ‹ previous : 605-204 next › : 605-206 Telephone Number List 605-205-0000 ~ 605-205-9999