- Area code 605
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Area code 406 poly 94 1 365 0 369 28 374 52 90 53Area code 701 poly 446 121 441 123 437 112 433 111 425 122 426 130 409 130 409 126 412 124 412 112 398 112 396 106 381 102 381 85 368 80 365 73 376 61 368 23 374 23 381 28 386 26 382 22 395 24 396 29 418 22 427 31 432 27 435 13 448 22Area code 320 poly 361 3 367 22 372 20 383 27 383 25 396 21 396 29 419 21 425 32 437 23 438 16 446 19 445 1Area code 218 poly 382 104 385 186 447 185 446 123 440 122 438 113 432 115 424 131 408 132 411 125 411 115 398 114 395 103Area code 507 poly 380 188 382 203 387 206 380 231 388 245 446 244 446 187Area code 712 poly 385 244 150 244 156 237 165 237 164 231 164 219 304 221 319 229 321 232 327 231 329 228 353 227 367 233 380 234Area code 402 poly 81 214 165 220 162 231 167 237 154 239 147 245 79 244Area code 308 poly 0 99 85 105 80 245 0 244Area code 307 desc bottom-leftArea code 605 is the
telephone area code serving the entire state ofSouth Dakota , which is one of a gradually decreasing number of single-state, singleLATA , singlearea code areas (North Dakota uses only the 701 area code, but is split into two LATAs, one of which includesMinnesota .)Rapid City prefixes in area code (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 prefixes in area code (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 988Watertown prefixes in area code (605)-520 880 881 882 884 886 868 878 237 970 818
Area Code Box 6 | State = SD| Width=40%
This = Area code 605
N = 701
S = 308, 402
E = 320, 507, 712
W = 406, 307
S1 = IA |S2 = ND | S3 = NE| S4 = MN| S5 = MT | S6 = WYee also
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