Area code 605 is the telephone area code serving the entire state of South Dakota, which is one of a gradually decreasing number of single-state, single LATA, single area code areas (North Dakota uses only the 701 area code, but is split into two LATAs, one of which includes Minnesota.)

[edit] List of exchanges

• Rapid City (605)-209 341 342 343 348 355 381 385 388 389 390 391 393 394 399 415 430 431 484 545 593 716 718 719 721 727 737 786 787 791 863 877 923 939
• Sioux Falls (605)-201 212 221 231 241 251 254 261 271 274 275 306 310 321 322 323 328 330 331 332 333 334 335 336 338 339 351 357 359 360 361 362 366 367 370 371 373 376 413 444 509 521 553 575 595 610 728 731 759 782 846 929 940 941 965 977 978 988
• Watertown (605)-237 520 818 880 881 882 884 886 868 878 970

[edit] External links

• NANPA Area Code Map of South Dakota
• List of exchanges from AreaCodeDownload.com, 605 Area Code

State of South Dakota area code: 605
	North: 701
West: 406, 307	Area code 605	East: 320, 507, 712
	South: 308, 402
State of Iowa area codes: 319, 515, 563, 641, 712
State of North Dakota area code: 701
State of Nebraska area codes: 308, 402
State of Minnesota area codes: 218, 320, 507, 612, 651, 763, 952
State of Montana area code: 406
State of Wyoming area code: 307

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