489:: 306–201 205 206 209 216 337 347 351 352 359 450 501 502 503 509 510 517 519 520 522 523 525 526 527 529 530 531 533 535 536 537 539 540 541 543 545 546 550 551 552 559 564 565 566 569 570 580 581 584 585 586 591 596 719 721 737 751 757 761 766 775 777 779 780 781 787 789 790 791 797 798 807 908 910 924 926 936 949 988 992 993 994 995 999, 639-221 316 444 528 560 571 590 600 601 602 603 604 605 606 607 608 609 625 640 641 642 643 644 645 646 647 648 649 739 740 888 915 955 997 999
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525:: 306–200 202 203 220 221 222 227 229 230 241 242 244 249 250 251 260 261 262 270 280 281 290 291 292 321 341 343 361 370 371 373 374 380 381 382 384 385 477 491 500 514 518 612 649 651 652 653 655 657 659 664 665 667 668 683 700 713 715 716 717 803 844 850 866 875 880 881 899 902 912 914 931 933 934 938 952 955 956 964 966 974 975 977 978 979 985 986 996 998, 639–220 317 470 471 480 630 635 887 916 994 996 998
111:
The proposal to implement 639 as an overlay had the effect of allocating 15.8 million numbers to a province of just over a million people. However, SaskTel and other carriers wanted to spare existing subscribers, particularly in rural areas, the expense and burden of changing their numbers. Overlays
123:
period began during which seven- and ten-digit calls could complete. Ten-digit dialing became mandatory in
Saskatchewan on May 11, 2013, two weeks before the in-service date of May 25. Beginning on September 26, 2013, standard error intercept announcements resumed. Until the implementation of the
103:
By the time the committee's planning document was finalized on July 13, 2011, the recommended new area code had changed to 639, an option that was regarded as equally technically viable. The document did not address this divergence from the CRTC's prior allocation nor give a reason for the change,
99:
The planning committee considered various options, including a north–south split of the 306 area code. Under this plan, half of the province would keep the 306 area code, while the other half would transition to a new area code. Ultimately, the committee determined that an overlay area code was
127:
In July 2018, area code 474 was reserved as a future area code for all of
Saskatchewan, as area codes 306 and 639 are expected to exhaust their central office prefixes as early as June 2022. The in-service date of area code 474 was October 2, 2021, with no changes in the established dialing
96:(CNA) revealed that area code 306 had experienced an unforecasted surge in telephone number allocation and was at risk of exhaustion within three years (a situation referred to as a "jeopardy condition"). In response, the CRTC immediately initiated relief planning measures.
100:
overwhelmingly better. Given the CRTC's decision the year before, the committee's initial planning document (dated May 18, 2011) recommended the assignment of area code 474 for this purpose, mirroring an assumption that had already been reported in the press.
73:
By the mid-2000s, area code 306 came under the threat of central office code exhaustion because of demand for telecommunication services from the proliferation of cell phones and other mobile devices requiring unique telephone numbers, particularly in
89:(CRTC) tentatively reserved a group of new area codes for future relief of existing numbering plan areas that were expected to exhaust in the next 25 years; area code 474 was set aside for relief of area code 306 in Saskatchewan.
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in the community, and that the choice of 639 as a replacement was based on its mathematical similarities with the existing area code.
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have become the preferred method of area code relief in Canada; no area codes have been split in the country since 1999.
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overlay, Saskatchewan was the last of Canada's original NPAs where seven-digit dialing was still possible.
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but news reports suggest that it was SaskTel who made the decision to eschew 474, citing a sensitivity to
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assigned in 1947. Area codes 639 and 474 were added to the numbering plan area in creation of an
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for the entire province in 2013 and 2021, respectively. The incumbent local exchange carrier is
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471:: 306–314 557 703 763 764 765 904 922 930 940 941 953 960 961 970 980 981 987, 639–314 533 760
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417:: 306–214 313 556 624 630 631 681 684 690 691 692 693 694 704 756 905 972 983 990, 639–538
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On August 26, 2011, the CRTC accepted the relief planning committee's recommendation.
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in the second half of the 1940s, the United States and Canada were divided into 86
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was phased in for area code 306 starting on
February 25, 2013. On that date, a
626:
149:
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980:"Planning Letter 530: NPA 474 to Overlay NPA 306/639 (Saskatchewan, Canada)"
819:"TIF Report #2 - NPA 306 Planning Document & Relief Implementation Plan"
522:
79:
23:
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909:"Planning Letter 446: NPA 639 to Overlay NPA 306 (Saskatchewan, Canada)"
882:"Planning Letter 431: NPA 639 to Overlay NPA 306 (Saskatchewan, Canada)"
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561:: 306–315 437 712 741 750 770 772 773 774 778 816 907 971 973, 639–541
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441:: 306–208 317 386 407 440 441 445 446 470 480 481 490 499 817 906 937
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615:: 306–316 521 620 621 641 708 782 783 786 818 828 890 909, 639–540
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242:: 306–308 339 340 415 421 461 471 634 636 637 687, 639–450 534
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737:
683:
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332:: 306–379 430 460 463 512 604 806 838 965 967 968, 639–539
817:
NPA 306 Relief
Planning Committee (Ad Hoc) (2011-07-13).
757:
NPA 306 Relief
Planning Committee (Ad Hoc) (2011-05-18).
357:: 306–214 307 603 808 820 821 825 830 875, 639–536 840
85:
In long-term nationwide planning in
October 2010, the
603:: 306–405 504 509 809 842 848 861 869 870 891 897 908
70:
areas. Saskatchewan received area code 306 in 1947.
1554:
1533:
1227:
308:: 306–231 289 320 366 367 368 598 682 944, 639–535
655:List of North American Numbering Plan area codes
880:Canadian Numbering Administrator (2011-11-18).
759:"NPA 306 Initial Planning Document - Text Only"
729:"Telecom Notice of Consultation CRTC 2011-260"
1197:
8:
962:"New, 3rd area code picked for Saskatchewan"
800:"New area code, 474, coming to Saskatchewan"
650:Canadian Numbering Administration Consortium
844:: CS1 maint: numeric names: authors list (
784:: CS1 maint: numeric names: authors list (
1204:
1190:
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92:In early 2011, a routine analysis by the
132:Service area and central office prefixes
62:(AT&T) created the first nationwide
60:American Telephone and Telegraph Company
903:
901:
666:
837:
777:
399:: 306–607 705 707 720 728 730 748 760
7:
1012:CNA exchange list for area code 639
1007:CNA exchange list for area code 306
16:Area codes for Saskatchewan, Canada
618:Premium services: 306/474/639–976.
381:: 306–234 236 240 304 819, 639–537
40:original North American area codes
14:
860:"639 to be Sask.'s 2nd area code"
393:: 306–275 277 346 752 863 920 921
933:"Telecom Decision CRTC 2011-533"
826:Canadian Numbering Administrator
766:Canadian Numbering Administrator
675:"Telecom Decision CRTC 2010-784"
629:
94:Canadian Numbering Administrator
710:from the original on 2011-01-10
1674:Communications in Saskatchewan
38:. Area code 306 is one of the
1:
1221:North American Numbering Plan
28:North American Numbering Plan
704:"New Sask. area code coming"
20:Area codes 306, 639, and 474
645:Telephone numbers in Canada
284:& Crooked Lake: 306–794
1695:
1679:Saskatchewan-related lists
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64:telephone numbering plan
1022:Area Code Map of Canada
535:St. Isidore-de-Bellevue
152:: -See North Battleford
1637:54.50833°N 105.66667°W
706:. cbc.ca. 2011-01-06.
597:: 306–917 946, 639-395
405:: 306–436, 639–440 450
30:(NANP) for the entire
1115:Northwest Territories
1067:368/587/825 (overlay)
266:: 306–331 332 804 900
1669:Area codes in Canada
1642:54.50833; -105.66667
1275:District of Columbia
1632: /
1524:U.S. Virgin Islands
1035:
985:. NANPA. 2019-08-20
914:. NANPA. 2013-01-22
1027:
549:: 306–725, 639–914
513:: 306–776, 639–394
483:: 306–827, 639–913
477:: 306–654, 639–653
363:: 306–731, 639–392
218:: 306–734, 639–208
121:permissive dialing
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1510:Northern Marianas
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862:. CBC. 2011-06-14
453:: 306–584 586 781
344:: 306–496 740 743
302:: 306–470 865 600
117:Ten-digit dialing
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1425:Pennsylvania
1405:North Dakota
1173:area codes:
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1160:North Dakota
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1132:area codes:
1121:area codes:
1093:
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1031:area codes:
1029:Saskatchewan
987:. Retrieved
974:
965:
956:
945:. Retrieved
943:. 2011-08-26
927:
916:. Retrieved
889:. Retrieved
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769:. Retrieved
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741:. Retrieved
739:. 2011-04-19
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712:. Retrieved
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687:. Retrieved
685:. 2010-10-22
669:
583:Uranium City
355:Lloydminster
204:Churchbridge
192:Carrot River
126:
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91:
84:
72:
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36:Saskatchewan
19:
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1640: /
1627:105°40′00″W
1577:El Salvador
1517:Puerto Rico
1355:Mississippi
1265:Connecticut
1149:587/825/368
1134:204/431/584
1033:306/639/474
505:Rose Valley
463:Preeceville
451:Pilot Butte
379:Meadow Lake
128:procedure.
106:tetraphobia
1663:Categories
1646: (
1624:54°30′30″N
1567:Costa Rica
1475:Washington
1390:New Mexico
1385:New Jersey
1255:California
1217:area codes
989:2023-09-18
947:2021-11-07
918:2023-09-18
891:2023-09-18
866:2011-10-11
831:2021-11-07
771:2021-11-07
743:2021-11-07
714:2011-01-11
689:2021-11-07
661:References
547:Strasbourg
499:Rocanville
475:Prud'homme
385:Meath Park
342:Langenburg
330:Kindersley
324:Kelvington
300:Hudson Bay
168:Bredenbury
150:Battleford
138:Arborfield
24:area codes
1602:Nicaragua
1582:Guatemala
1546:Caribbean
1485:Wisconsin
1445:Tennessee
1350:Minnesota
1325:Louisiana
609:: 306–554
591:: 306–338
585:: 306–498
579:: 306–228
573:: 306–873
567:: 306–647
555:: 306–548
543:: 306–793
541:Stockholm
537:: 306–423
531:: 306–849
523:Saskatoon
519:: 306–744
517:Saltcoats
507:: 306–322
501:: 306–645
495:: 306–273
465:: 306–547
459:: 306–278
447:: 306–595
435:: 306–594
429:: 306–862
423:: 306–748
415:Moose Jaw
411:: 306–889
403:Milestone
387:: 306–929
375:: 306–788
369:: 306–372
350:: 306–335
338:: 306–252
326:: 306–327
314:: 306–493
296:: 306–544
290:: 306–225
278:: 306–876
272:: 306–245
260:: 306–272
258:Foam Lake
254:: 306–759
248:: 306–402
234:Esterhazy
230:: 306–877
224:: 306–254
212:: 306–255
206:: 306–896
200:: 306–796
188:: 306–563
182:: 306–742
176:: 306–592
164:: 306–997
158:: 306–288
140:: 306–768
80:Saskatoon
58:When the
1592:Honduras
1470:Virginia
1415:Oklahoma
1395:New York
1370:Nebraska
1360:Missouri
1345:Michigan
1335:Maryland
1320:Kentucky
1300:Illinois
1270:Delaware
1260:Colorado
1250:Arkansas
1130:Manitoba
966:CBC News
840:cite web
804:CBC News
780:cite web
708:Archived
623:See also
565:Theodore
481:Radisson
409:Mistatim
397:Melville
367:Luseland
336:Kenaston
312:Invermay
306:Humboldt
210:Colonsay
174:Buchanan
144:Balgonie
1490:Wyoming
1465:Vermont
1365:Montana
1305:Indiana
1285:Georgia
1280:Florida
1245:Arizona
1235:Alabama
1219:in the
1171:Montana
1141:Alberta
1119:Nunavut
1072:306/639
887:. NANPA
613:Yorkton
607:Wynyard
601:Weyburn
595:Watrous
571:Tisdale
553:Sturgis
511:Rouleau
433:Norquay
427:Nipawin
421:Neudorf
391:Melfort
373:Marquis
361:Lumsden
348:Lemberg
318:Kamsack
282:Grayson
276:Goodeve
270:Francis
252:Eyebrow
240:Estevan
222:Dalmeny
156:Beauval
54:History
48:SaskTel
26:in the
1607:Panama
1597:Mexico
1562:Belize
1555:Former
1541:Canada
1420:Oregon
1375:Nevada
1315:Kansas
1290:Hawaii
1240:Alaska
937:Ottawa
733:Ottawa
679:Ottawa
589:Wadena
487:Regina
294:Hanley
186:Canora
180:Calder
162:Borden
76:Regina
1587:Haiti
1534:Other
1450:Texas
1330:Maine
1295:Idaho
1213:Lists
1111:Yukon
1094:South
1042:North
983:(PDF)
912:(PDF)
885:(PDF)
822:(PDF)
762:(DOC)
577:Unity
529:Sheho
493:Rhein
445:Pelly
353:East
288:Hague
246:Eston
228:Dubuc
216:Craik
1572:Cuba
1503:Guam
1455:Utah
1410:Ohio
1310:Iowa
1117:and
1077:East
1055:West
846:link
786:link
78:and
1215:of
1175:406
1164:701
1153:780
1145:403
1123:867
1102:406
1098:701
1085:431
1081:204
1063:780
1059:403
1046:867
34:of
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1147:,
1113:,
1100:,
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