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Area code 605 is the telephone area code in the North American Numbering Plan for the entire U.S. state of South Dakota. The numbering plan area was designated in 1947, when the American Telephone and Telegraph Company (AT&T) devised a comprehensive telephone numbering plan for the United States and Canada.
Before October 2021, area code 605 had telephone numbers assigned for the central office code 988. In 2020, 988 was designated nationwide as a dialing code for the National Suicide Prevention Lifeline, which created a conflict for exchanges that permit seven-digit dialing. Area code 605 was therefore scheduled to transition to ten-digit dialing by October 24, 2021.[1] Current projections suggest that South Dakota will require a second area code by late 2026, as the existing 605 area code is nearing exhaustion.[2]
Service area
editThe numbering plan area includes the following communities, which are serviced by the listed central office prefixes.
- Aberdeen: 216, 225, 226, 228, 229, 252, 262, 277, 290, 377, 380, 622, 626, 715, 725, 824, 846
- Alcester: 934
- Alexandria: 239
- Alpena: 849
- Andover: 298
- Arlington: 315, 983
- Armour: 572, 724,
- Artesian: 527
- Astoria: 832
- Avon: 286
- Baltic: 529
- Belle Fourche: 210, 568, 569, 699, 723, 892
- Belvidere: 344
- Beresford: 300, 751, 763, 957
- Big Stone City: 541, 862
- Bison: 244
- Blunt: 962
- Bonesteel: 654
- Bowdle: 281, 282, 285
- Bradley: 784
- Brandon: 582, 839
- Brandt: 876
- Bridgewater: 729
- Bristol: 492
- Britton: 448, 470, 551
- Brookings: 560, 592, 651, 688, 690, 691, 692, 693, 695, 697
- Buffalo: 375
- Buffalo Gap: 833
- Burke: 775
- Camp Crook: 797
- Canistota: 296
- Canova: 523
- Canton: 558, 764, 836, 987
- Castlewood: 414, 793, 804
- Cavour: 599
- Center: 247
- Centerville: 552, 563
- Chamberlain: 234, 730, 734, 815, 888
- Chester: 489
- Claire City: 652
- Claremont: 294
- Clark: 233, 532, 844
- Clear Lake: 874
- Colton: 446, 671
- Columbia: 396
- Conde: 382
- Corsica: 946
- Cresbard: 324
- Crooks: 465, 543
- Custer: 440, 517, 673
- Dell Rapids: 428, 963
- Delmont: 779
- De Smet: 854, 860, 861
- Doland: 635
- Dupree: 200, 365, 538, 821
- Eagle Butte: 218, 964
- Edgemont: 662
- Elk Point: 205, 356, 761, 952
- Elkton: 542, 922
- Emery: 449
- Estelline: 686, 873
- Ethan: 227
- Eureka: 284
- Faith: 739, 967
- Faulkton: 598
- Flandreau: 530, 534, 573, 633, 684, 864, 997
- Florence: 758
- Fort Pierre: 220, 222, 223, 224, 280, 295, 301, 494, 609, 773, 776, 945
- Frederick: 329
- Freeman: 925
- Garretson: 594
- Gary: 272
- Gettysburg: 765, 769, 771
- Glenham: 762, 848, 850
- Goodwin: 795
- Gregory: 830, 831, 835
- Groton: 397
- Harrisburg: 213, 214, 368, 408, 498, 667, 743, 767, 777
- Harrold: 875
- Hartford: 528, 953
- Hayti: 783, 792
- Hecla: 994
- Hermosa: 255
- Herreid: 437
- Highmore: 478, 852, 870, 871
- Hill City: 307, 574
- Hitchcock: 266
- Hosmer: 283
- Hot Springs: 745, 890, 891
- Hoven: 948
- Howard: 579, 772, 851
- Hudson: 984
- Humboldt: 363
- Hurley: 238
- Huron: 350, 352, 353, 354, 412, 461, 554, 570, 931, 936, 960, 968
- Interior: 433
- Ipswich: 410, 426
- Irene: 263
- Iroquois: 546
- Isabel: 466
- Jefferson: 966
- Kadoka: 488, 837
- Kennebec: 869
- Keystone: 666
- Kimball: 680, 682, 778
- Lake Andes: 469, 481, 487, 491
- Lake Norden: 710, 785
- Langford: 493
- Lebanon: 768
- Lemmon: 374
- Lennox: 647, 744, 750
- Leola: 439
- Lesterville: 364,
- Letcher: 248
- Long Lake: 577
- McIntosh: 273, 524
- McLaughlin: 314
- Madison: 256, 270, 291, 427, 480, 556, 636
- Marion: 648
- Martin: 407, 441, 454, 685, 899, 944, 970, 980
- Mellette: 887
- Menno: 387
- Midland: 843
- Milbank: 432, 434, 438, 445, 467, 924, 949
- Miller: 204, 453, 853, 893
- Mission: 319, 828, 856
- Mitchell: 292, 299, 550, 597, 630, 656, 770, 933, 990, 995, 996, 999
- Mobridge: 230, 823, 845, 926
- Mound City: 955
- Mount Vernon: 236
- Murdo: 516, 669
- New Effington: 637
- New Holland: 243
- Newell: 456
- New Underwood: 754
- Nisland: 257
- North Cody: 822
- North Naper: 834
- North Sioux City: 217, 232, 235, 242, 422, 540, 585, 780, 979
- Nunda: 586
- Oelrichs: 535
- Oldham: 482
- Onaka: 447
- Onida: 973
- Orient: 392
- Parker: 297
- Parkston: 505, 928
- Peever: 932
- Philip: 859
- Pierpont: 325
- Pierre: 220, 222, 223, 224, 280, 295, 301, 494, 609, 773, 776, 945
- Plankinton: 942
- Platte: 207, 337, 613
- Pollock: 889
- Presho: 895
- Pukwana: 894
- Quinn: 386
- Ramona: 482
- Rapid City: 209, 219, 341, 342, 343, 348, 355, 381, 385, 388, 389, 390, 391, 393, 394, 399, 415, 430, 431, 484, 519, 545, 593, 600, 646, 716, 718, 719, 721, 727, 737, 755, 786, 787, 791, 858, 863, 872, 877, 923, 939
- Redfield: 302, 313, 450, 460, 468, 472, 475
- Ree Heights: 943
- Reliance: 473
- Revillo: 623
- Roscoe: 276, 287
- Rosholt: 537
- Roslyn: 420, 486
- Salem: 240, 421, 425, 471
- Scotland: 583
- Selby: 643, 649
- Seneca: 436
- Sinai: 826
- Sioux Falls: 201, 212, 215, 221, 231, 241, 250, 251, 254, 261, 271, 274, 275, 305, 306, 310, 312, 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, 400, 403, 404, 413, 444, 496, 504, 509, 521, 553, 575, 595, 610, 679, 681, 705, 728, 731, 740, 759, 782, 789, 799, 800, 809, 838, 900, 906, 929, 937, 940, 941, 951, 961, 965, 977, 978, 988
- Sisseton: 268, 419, 698, 742, 927
- South Shore: 756
- Spearfish: 269, 340, 443, 549, 559, 566, 571, 578, 580, 584, 591, 631, 639, 641, 642, 644, 645, 717, 722, 920
- Spencer: 246
- Springfield: 369
- Stickney: 732
- Stockholm: 676
- Sturgis: 206, 347, 423, 490, 499, 561, 702, 720
- Summit: 398
- Tabor: 463
- Tea: 213, 214, 368, 408, 498, 667, 743, 767, 777
- Timber Lake: 865
- Tolstoy: 442
- Toronto: 794
- Tripp: 935
- Tulare: 596
- Turton: 897
- Tyndall: 464, 589
- Valley Springs: 757
- Veblen: 738
- Vermillion: 202, 581, 624, 638, 658, 659, 670, 672, 675, 677, 741
- Viborg: 326, 766
- Volga: 627, 827, 930
- Wagner: 384
- Wakonda: 267, 451
- Wall: 279, 515
- Wasta: 993
- Watertown: 237, 520, 753, 818, 868, 878, 880, 881, 882, 884, 886, 954, 956
- Waubay: 435, 947
- Webster: 265, 345, 588, 590
- Wentworth: 483
- Wessington: 458
- Wessington Springs: 539
- West Jasper: 349
- White: 304, 629
- White Lake: 249
- White River: 259
- Wilmot: 938
- Winner: 208, 840, 841, 842
- Wolsey: 497, 883
- Wood: 452
- Woonsocket: 796
- Worthing: 372
- Yankton: 260, 500, 653, 655, 660, 661, 664, 665, 668, 689, 760, 857, 975
- Premium calls (unassigned): 211, 308, 311, 320, 402, 406, 411, 476, 507, 511, 531, 536, 555, 605, 611, 621, 663, 700, 701, 711, 712, 811, 911, 921, 950, 958, 959, 976, 988 (come October 2021).
See also
editReferences
edit- ^ "Transition to 10-digit dialing (for 988 as 3-digit access to National Suicide Prevention Hotline)" (PDF). North American Numbering Plan Administrator. January 8, 2021. Retrieved March 9, 2021.
- ^ 2023-1 NRUF and NPA Exhaust Analysis (PDF) (Report). East Brunswick, New Jersey: North American Numbering Plan Administrator. April 2023. p. 2. Retrieved June 30, 2023.
External links
edit| North: 701 | ||
| West: 307, 406 | 605 | East: 320, 507/924, 712 |
| South: 402/531, 308 | ||
| North Dakota area codes: 701 | ||
| Iowa area codes: 319, 515, 563, 641, 712 | ||
| Minnesota area codes: 218, 320, 507/924, 612, 651, 763, 952 | ||
| Montana area codes: 406 | ||
| Wyoming area codes: 307 | ||