701
Area code

ND

United States geographic area code, in service since 1947-01-01.

Statusin service
Introduced1947-01-01
JurisdictionND, US
Local dialing7D
Time zoneCentral / Mountain
Last verified2026-09-17
Utilization 96.3% of assignable prefixes assigned As of 09/17/2026
0%763 of ~792 assignable NXX values (200–999 excl. N11)100%

Prefix-level assignment does not equal number-level exhaustion; thousands-block pooling extends capacity. First assignment on record 2001-01-24, most recent 2026-07-08.

Area codes serve rate-center geographies, not municipal boundaries. “ND” identifies the jurisdiction, not an exact city footprint.

Top assignees

Ranked by assigned prefixes · initial assignee ≠ current carrier
Largest initial assignees in area code 701
RankAssigneePrefixesShare
01 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ND 90 11.8%
02 NEW CINGULAR WIRELESS PCS, LLC - IL 79 10.4%
03 QWEST CORPORATION 71 9.3%
04 MIDCONTINENT COMMUNICATIONS - ND 48 6.3%
05 ONVOY, LLC - ND 40 5.2%
06 SRT COMMUNICATIONS, INC. 34 4.5%
07 POLAR COMMUN MUTUAL AID CORP. 27 3.5%
08 NORTH DAKOTA TELEPHONE CO. 27 3.5%
09 DICKEY RURAL TEL. COOP. 26 3.4%
10 WEST RIVER TELECOMMUNICATIONS COOP. - ND 24 3.1%

Important: these are initial assignees from NANPA CO-code records — the carrier a prefix was originally assigned to. Because of number portability, the current serving carrier of any individual number may differ.

Change history

Recorded events for this NPA
  • 1947-01-01Area code 701 entered service.

Planning letters & orders

Primary documents
NANPA planning letters for area code 701
DateDocumentSubject
2021-01-08 PL-556 ↗ Transition to 10-digit dialing (for 988 as 3-digit access to National Suicide Prevention Lifeline) – supersedes PL-544
2020-08-17 PL-544 ↗ Transition to 10-digit dialing (for 988 as 3-digit access to National Suicide Prevention Hotline

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