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Image:Area_code_MT.png|right|thumbs|Map of Montana area code in blue (with border states and provinces) poly 67 33 0 20 1 1 51 0 58 24 Area code 250 poly 66 33 57 25 52 0 198 0 198 54 Area code 403 poly 198 55 198 0 419 0 418 72 265 63 Area code 306 poly 373 71 419 71 419 212 364 210 Area code 701 poly 364 212 363 267 419 267 419 212 Area code 605 poly 140 233 133 268 363 269 362 255 Area code 307 poly 1 21 15 23 6 70 12 85 12 99 37 137 47 141 36 165 39 178 31 179 32 187 35 195 51 188 58 216 65 222 60 221 61 230 71 230 71 248 77 254 79 247 92 253 93 246 110 250 121 250 125 243 130 256 135 259 134 268 1 267 Area code 208 desc top-right Area code 406 is the telephone area code covering the entire state of Montana. It has been Montana's area code since area codes were created in 1947. As of 2013, there were 1.7 million lines served by 47 carriers; all but two wireline providers support local number portability (the exceptions are small rural independents Hot Springs Telephone Company and Northern Telephone Cooperative). Sufficient available codes for new exchanges in the 406 area code exist to meet anticipated demand until 2019; number pooling has been implemented in response to increased demand and inefficient use of 406 numbering resources.〔http://www.fcc.gov/document/montana-psc-granted-authority-implement-mandatory-number-pooling〕 ==Exchanges in area code 406== * Absarokee: 328, 985 * Alberton: 722 * Alta: 349 * Alzada: 828, 938 * Anaconda: 559, 560, 563, 691, 797 * Arlee: 726 * Ashland: 784, 983 * Augusta: 562 * Avon: 492 * Bainville: 769 * Baker: 778, 891, 956, 978 * Belfry: 664 * Belgrade: 388, 813, 924 * Belt: 277 * Bigfork: 420, 837 * Big Sandy: 378 * Big Sky: 993, 995, 999 * Big Timber: 930, 931, 932, 936 * Billings: 200, 206, 208, 237, 238, 245, 247, 248, 252, 254, 255, 256, 259, 272, 281, 294, 318, 325, 371, 373, 384, 435, 534, 545, 591, 598, 601, 606, 620, 647, 651, 652, 655, 656, 657, 661, 670, 671, 672, 690, 694, 696, 697, 698, 702, 794, 839, 850, 855, 860, 861, 867, 869, 876, 894, 896, 927, 969 * Birney: 984 * Bloomfield: 583 * Boulder: 225, 313 * Box Elder: 352 * Bozeman: 209, 219, 312, 404, 414, 451, 522, 539, 548, 551, 556, 570, 577, 579, 580, 581, 582, 585, 586, 587, 589, 595, 599, 600, 602, 624, 898, 916, 920, 922, 994 * Brady: 753 * Bridger: 662, 800 * Broadus: 436, 935 * Broadview: 667 * Brockton: 786 * Browning: 338, 573 * Busby: 592 * Butte: 221, 299, 310, 479, 490, 491, 494, 496, 497, 498, 533, 565, 593, 723, 782, 792 * Canyon Creek: 368 * Carlyle: 588 * Carter: 734 * Cascade: 468 * Charlo: 644 * Chester: 759 * Chinook: 357 * Choteau: 466 * Circle: 485, 974 * Clinton: 330, 825 * Clyde Park: 686 * Colstrip: 213, 720, 740, 748, 749 * Columbia Falls: 892, 897 * Columbus: 290, 298, 321, 322, 780 * Condon: 754 * Conrad: 271, 278, 289, 505, 576 * Cooke City: 838 * Crooked Creek: 484 * Culbertson: 514, 787, 790 * Custer: 856 * Cut Bank: 229, 391, 845, 873 * Dagmar: 483 * Darby: 821 * Decker: 757 * Deer Lodge: 415, 645, 846 * Denton: 567 * Devon: 432 * Dillon: 596, 660, 683, 865, 925, 960, 988 * Divide: 267, 553 * Dixon: 246 * Dodson: 383 * Drummond: 288 * Dupuyer: 472 * Dutton: 476 * East Conrad: 627 * East Glacier Park: 226 * Ekalaka: 775, 975 * Elmo: 631, 849 * Ennis: 682 * Ethridge: 339 * Eureka: 296 * Eureka rural: 297, 882, 889 * Fairfield: 467 * Fairview: 742, 747 * Fallon: 486 * Finley Point: 571, 887 * Flaxville: 474 * Flaxville rural: 779 * Forsyth: 201, 346, 351, 356, 729 * Fort Benton: 621, 622 * Fort Peck: 526 * Fort Shaw: 264 * Fort Smith: 666 * Frazer: 695 * Frenchtown: 508, 626 * Froid: 766 * Froid rural: 963 * Fromberg: 668 * Gallatin Gateway: 518, 763 * Gardiner: 848 * Geraldine: 737 * Geyser: 735 * Gildford: 376 * Glasgow: 228, 230, 263, 831, 942 * Glendive: 345, 359, 365, 377, 948, 987 * Glentana: 724 * Grant: 681 * Grass Range: 428, 928 * Great Falls: 205, 216, 217, 231, 268, 315, 403, 452, 453, 454, 455, 564, 590, 604, 727, 731, 750, 760, 761, 770, 771, 781, 788, 791, 799, 836, 866, 868, 870, 878, 899, 923, 952, 964, 965 * Hamilton: 360, 361, 363, 369, 375, 381, 802, 961 * Hardin: 623, 629, 638, 665, 679, 699, 953 * Harlem: 353 * Harlowton: 632 * Harrison: 685 * Haugan: 678 * Havre: 262, 265, 808, 879, 945 * Hays: 673 * Helena: 202, 204, 227, 324, 389, 410, 417, 422, 430, 431, 437, 438, 439, 440, 441, 442, 443, 444, 447, 449, 457, 458, 459, 461, 465, 475, 495, 502, 513, 555, 558, 594, 603, 634, 841, 933, 992, 996 * Highwood: 733 * Hingham: 397 * Hinsdale: 364 * Hobson: 423 * Hopp Illiad: 386 * Hot Springs: 741 * Hungry Horse: 387, 929 * Huntley: 348 * Hysham: 342 * Jackson: 834 * Joliet: 905, 962 * Joplin: 292 * Jordan: 557, 977 * Judith Gap: 473 * Kalispell: 212, 249, 250, 253, 257, 260, 261, 270, 300, 309, 314, 407, 471, 607, 751, 752, 755, 756, 758, 858, 871, 885, 890 * Kevin-Oilmont: 337 * Kremlin: 372 * Lakeside: 709, 844 * Lambert: 774, 914 * Lame Deer: 477 * Larslan: 725 * Laurel: 530, 628, 633, 743, 812 * Lavina: 636 * Lewistown: 350, 366, 380, 535, 538, 707, 708, 968 * Libby: 283, 291, 293, 334, 400 * Lima: 276, 340 * Lincoln: 362 * Lindsay: 584 * Livingston: 220, 222, 223, 224, 333, 823, 946 * Lodge Grass: 639 * Loma: 739 * Malta: 301, 654, 680 * Manhattan: 282, 284 * Marion: 854, 991 * Martinsdale: 572 * Medicine Lake: 789 * Melrose: 835 * Melstone: 358 * Melville: 537 * Miles City: 232, 233, 234, 851, 852, 853, 874, 934, 944, 951 * Missoula: 203, 207, 214, 215, 218, 239, 240, 241, 243, 251, 258, 273, 274, 303, 317, 327, 329, 370, 396, 493, 523, 529, 531, 532, 540, 541, 542, 543, 544, 546, 549, 550, 552, 721, 728, 829, 830, 880, 926 * Molt: 669 * Moore: 374 * Musselshell: 947 * Nashua: 746 * Neihart: 236 * North Broadus: 554 * North Cut Bank: 336 * North Frannie: 764 * North Glasgow: 367 * North Hinsdale: 648 * North Nashua: 785 * North Parkman: 643, 659〔North Parkman is served from wire centre (DNRHWYMARS1 ) in Sheridan, WY〕 * North Poplar: 448 * North Havre: 394, 398 * North Ryegate: 575 * North Wolf Point: 392 * Noxon: 847 * Olney: 820, 881 * Opheim: 762 * Outlook: 895 * Ovando: 793 * Pablo: 275, 332, 675 * Peerless: 893 * Pendroy: 469 * Philipsburg: 859 * Plains: 826 * Plentywood: 765 * Plevna: 772, 971 * Polson: 319, 872, 883, 884 * Pompey's Pillar: 875 * Poplar: 768 * Potomac: 244 * Power: 463 * Rapelje: 663 * Raynesford: 738 * Red Lodge: 425, 426, 445, 446, 818 * Reed Point: 326 * Reserve: 286 * Richey: 773, 979 * Ridge: 767〔Ridge is served from (HLTTWYXCRS1 ) Hulett, WY〕 * Rock Springs: 354 * Ronan: 528, 676, 833 * Rosebud: 347 * Roundup: 320, 323, 331, 913 * Roy: 464, 954 * Rudyard: 355 * Ryegate: 568 * Saco: 527 * Saint Ignatius: 744, 745, 824 * Saint Mary: 732 * Savage: 776 * Scobey: 487, 688 * Scobey rural: 783 * Seeley Lake: 210, 499, 677 * Shelby: 424, 434, 450, 460, 470, 597, 966 * Sheridan: 842 * Sidney: 433, 478, 480, 482, 488, 489, 630, 943, 973 * Silvertip: 574, 840〔Silvertip is served from (POWLWYMARS1 ) Powell, WY〕 * Somers: 393, 857 * South Alberton: 864 * South Broadus: 427 * South Chester: 456 * South Miles City: 421, 981 * South Havre: 390, 395, 399 * South Malta: 658 * South Wolf Point: 525, 915 * Stanford: 566 * Stevensville: 625, 777 * Stockett: 736 * Saint Regis: 269, 280, 649 * Sunburst: 561, 937 * Superior: 382, 515, 822 * Swan Lake: 612, 886 * Sweetgrass: 335 * Terry: 635, 637, 957 * Thompson Falls: 242, 615, 827 * Three Forks: 285, 616 * Townsend: 266, 521, 949, 980 * Troy: 295 * Turner: 379 * Twin Bridges: 684 * Valier: 279 * Victor: 642 * Virginia City: 843 * Valley Industrial Park: 524 * Warm Springs: 693 * West Beach: 877〔West Beach is served from (BECHNDXADS1 ) in Beach, ND〕 * Westby: 385 * West Camp Crook: 972〔West Camp Crook is served from (CMCRSDXARL0 ) in Camp Crook, SD〕 * West Glacier: 888 * West Glendive: 687, 939, 941, 989 * West Sidney: 798 * West Squaw Gap: 569〔West Squaw Gap is served from (SQGPNDXARS5 ) Squaw Gap, ND〕 * West Yellowstone: 640, 641, 646 * Whitefish: 730, 862, 863 * Whitehall: 287 * Whitewater: 674 * White Sulphur Springs: 305, 547 * Wibaux: 795, 796 * Wilsall: 578 * Winifred: 462 * Winnett: 429 * Wisdom: 689 * Wise River: 832 * Wolf Creek: 235, 302 * Wolf Point: 650, 653 * Worden: 967 * Wyola: 343 * Yellow Bay: 692, 982 * Premium numbers: 976 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「area code 406」の詳細全文を読む スポンサード リンク
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