Area Code 605-529 located in BALTIC, MINNEHAHA, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 529 City : BALTIC County : MINNEHAHA State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 46099 LATA (Local Access Transport Area) : 640 Rate Center : BALTIC ZIP Code Count : 523 ZIP Code Frequency : 86 ZIP Code : 57003 Other Information NPANXX : 605529 County Population : 0 Switch CLLI (Common Language Location Identifier) : BLTCSDXADS0 MSA CBSA (Core Based Statistical Area) : Sioux Falls, SD MSA CBSA Code (Core Based Statistical Area) : 43620 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) OCN (Operating Company Number) : 1642 Coverage Area Name : BALTIC Latitude : 43.7600 Longitude : -96.7406 ‹ previous : 605-529 next › : 605-530 Telephone Number List 605-529-0000 ~ 605-529-9999