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By 1995, the telephone subscriber base had experienced substantial growth, threatening the exhaustion of the numbering pool. Relief planning entailed the division of the numbering plan area to create a new area code, 573, for most areas outside of the St. Louis metropolitan area, which retained area
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code 314. The area code split became effective at day end of
January 7, 1996, with a permissive dialing period commencing until July 7, 1996, during which the new numbering plan area could be dialed with either area code.
651:
85:, the state capital.The numbering plan area (NPA) extends across half of the width of the state, with the northeastern tip near the northeastern corner of the state, the
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for the relief action, beginning with a permissive dialing period of six months on August 26, 2023 (as 573 was not affected by the 2021 requirement to change to
129:. Area code 314 identified the eastern part of the state, from the northeast corner of the state at the Illinois border along a southwestern line near
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for the 573 numbering plan area, effective March 24, 2024. On June 17, 2022, the NANP Administrator assigned
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in 1947, Missouri was divided into two numbering plan areas (NPAs), which received the area codes 314 and
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On May 1, 2022, the
Missouri Public Service Commission (MPSC) approved an all-services distributed
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as the southwestern tip. They also serves all of southeastern
Missouri (including the
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to the center of the state, and continuing southeast into the east side of the
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121:(AT&T) created a universal North American telephone numbering plan for
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328:"Planning Letter PL-596: NPA 235 and 573 All-Services Overlay (Missouri)"
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area to the
Arkansas state line. The largest city of the area code was
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300:"NANP-Split of 314 (Missouri) Numbering Plan Area (NPA)"
101:. 573 was created on January 7, 1996, in a split of
652:Telecommunications-related introductions in 1996
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37:(NANP) for most of the eastern half of the
119:American Telephone and Telegraph Company
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145:on the Mississippi river in the east.
49:area, including the state capital of
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16:Area code in Missouri, United States
14:
166:988 Suicide & Crisis Lifeline
164:due to the implementation of the
355:NANPA area code map of Missouri
97:area) and areas adjacent to the
657:1996 establishments in Missouri
642:Area codes in the United States
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35:North American Numbering Plan
307:Bellcore Letter IL-95708-015
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73:. The largest cities are
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647:Area codes in Missouri
79:University of Missouri
45:outside the immediate
27:Area codes 573 and 235
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123:Operator Toll Dialing
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614: /
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333:. NANPA. 2022-06-17
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87:Lake of the Ozarks
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162:ten-digit dialing
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95:Missouri Bootheel
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135:Jefferson City
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83:Jefferson City
77:, home to the
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29:are telephone
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618:38.5°N 92.0°W
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176:Major Cities
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53:, as well as
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529:area codes:
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364:area codes:
335:. Retrieved
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311:. Retrieved
309:. 1995-08-31
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212:Poplar Bluff
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172:Service area
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623:38.5; -92.0
621: /
279:Waynesville
139:West Plains
636:Categories
337:2022-12-07
313:2022-12-07
286:References
192:Farmington
39:U.S. state
31:area codes
550:Tennessee
269:St. James
239:Centralia
234:Camdenton
143:St. Louis
117:When the
47:St. Louis
581:Arkansas
527:Kentucky
480:Illinois
429:573/235
362:Missouri
274:Sullivan
217:Sikeston
197:Hannibal
182:Columbia
131:Columbia
91:Doniphan
75:Columbia
71:Sikeston
63:Hannibal
55:Columbia
43:Missouri
609:92°00′W
606:38°30′N
593:870/327
558:615/629
531:270/364
516:847/224
512:815/779
504:708/464
500:618/730
496:630/331
488:309/861
484:217/447
471:870/327
454:314/557
446:270/364
442:618/730
424:816/975
403:217/447
386:816/975
374:573/235
366:314/557
259:Jackson
254:Hermann
113:History
33:in the
264:Mexico
249:Fulton
244:Dexter
81:, and
69:, and
463:South
395:North
331:(PDF)
303:(PDF)
207:Rolla
67:Rolla
434:East
412:West
133:and
589:501
585:479
574:931
570:901
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562:731
554:423
543:859
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535:502
520:872
508:773
492:312
467:417
450:731
438:636
420:417
416:660
399:660
382:660
378:636
370:417
168:).
127:816
41:of
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109:.
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340:.
316:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
