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145:
Pages in category "Telecommunications-related introductions in 1947"
148:
The following 88 pages are in this category, out of 88 total.
661:
Telecommunications-related introductions in the 1940s
15:
651:Telecommunications-related introductions by year
8:
150:This list may not reflect recent changes
7:
632:Original North American area codes
154:
142:
14:
568:Area codes 713, 281, 832, and 346
453:Area codes 214, 469, 972, and 945
1:
620:North American Numbering Plan
548:Area codes 602, 480, and 623
483:Area codes 305, 786, and 645
473:Area codes 303, 720, and 983
468:Area codes 301, 240, and 227
458:Area codes 215, 267, and 445
192:Area codes 212, 646, and 332
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608:Area codes 916 and 279
603:Area codes 816 and 975
598:Area codes 815 and 779
593:Area codes 814 and 582
588:Area codes 812 and 930
583:Area codes 803 and 839
578:Area codes 716 and 624
573:Area codes 715 and 534
563:Area codes 704 and 980
558:Area codes 617 and 857
553:Area codes 614 and 380
543:Area codes 601 and 769
538:Area codes 703 and 571
533:Area codes 518 and 838
528:Area codes 513 and 283
523:Area codes 503 and 971
518:Area codes 419 and 567
513:Area codes 415 and 628
508:Area codes 405 and 572
503:Area codes 402 and 531
498:Area codes 801 and 385
493:Area codes 315 and 680
488:Area codes 314 and 557
478:Area codes 304 and 681
463:Area codes 217 and 447
448:Area codes 213 and 323
443:Area codes 205 and 659
438:Area codes 203 and 475
433:Area codes 202 and 771
428:Area codes 201 and 551
391:Area codes 717 and 223
239:Area codes 317 and 463
180:Area codes 208 and 986
656:1947 introductions
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423:Area code 915
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645:Categories
134:1990s
129:1980s
124:1970s
119:1960s
114:1950s
108:1940s
102:1930s
97:1920s
92:1910s
87:1900s
82:1890s
71:1955
66:1954
61:1953
56:1951
51:1949
46:1947
41:1946
36:1942
31:1941
26:1940
21:1937
647::
152:.
627:O
615:N
158:A
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