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Area code 701

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North Dakota numbering plan area and area code, with border states and provinces)Area code 306Area code 204Area code 218Area code 320Area code 605Area code 406
North Dakota numbering plan area and area code, with border states and provinces)

Area code 701 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. State of North Dakota. It is one of the 86 original North American area codes created by AT&T in 1947, and continues to be the only area code in North Dakota, one of eleven states with only one area code.

Numbering plan area 701 is divided between the Bismarck and Fargo LATAs, and is one of only a few divided area codes. The Fargo LATA extends for some distance into northern Minnesota, as far east as Brainerd.

Numbering plan exhaust projections forecast that North Dakota will not need a new area code until 2029.[1] About 730 of the nearly 800 possible central office codes have been assigned.

Being the sole area code in North Dakota, seven-digit dialing is in effect for all calls within the state. The situation was threatened in 2020, when it was anticipated that the state had to transition to always dialing ten digits, because of the implementation of a short-code (988) for the National Suicide Prevention Lifeline, because that code was assigned as a central office prefix to an office (CLLI code BSMRNDJC) in Bismarck. However, the local telephone administration decided to discontinue this central office code, and return it to the NANP Administrator.[2] This action removed the need to implement ten-digit dialing in area code 701, until relief is necessary in the future.

Service area and central office prefixes

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Premium calls (unassigned): 211, 311, 319, 333, 365, 406, 411, 446, 470, 479, 491, 495, 508, 536, 555, 558, 581, 585, 595, 603, 604, 605, 606, 608, 611, 613, 614, 615, 616, 617, 618, 619, 643, 700, 701, 703, 704, 706, 708, 711, 716, 735, 750, 790, 802, 803, 804, 806, 810, 811, 812, 813, 814, 816, 817, 819, 823, 831, 855, 902, 903, 904, 906, 907, 908, 909, 910, 911, 913, 914, 915, 916, 917, 918, 919, 921, 930, 931, 932, 940, 950, 958, 959, 976, 978, 986, 990, 991, 994 & 995.

See also

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References

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  1. ^ "October 2021 NPA Exhaust Analysis" (PDF). North American Numbering Plan Administrator. October 2021. Retrieved December 10, 2021.
  2. ^ NANPA Planning Letter 556 (January 8, 2021)
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North Dakota area codes: 701
North: 204, 306
West: 406 701 East: 218, 320
South: 605
Manitoba area codes: 204/431/584
Saskatchewan area codes: 306/639/474
Minnesota area codes: 218, 320, 507/924, 612, 651, 763, 952
Montana area codes: 406
South Dakota area codes: 605
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