NumberResearchThousands-blocks in 701-543
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026
The ten 1,000-number thousand-blocks inside prefix 701-543 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 701 blocks
Most active assignees, all time — NPA 701
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2012-12-05 | 701-543-0XXX | 0000–0999 | Assigned | ONVOY, LLC - ND | 452F | HATTON | ND |
| 2012-09-06 | 701-543-1XXX | 1000–1999 | Assigned | ONVOY, LLC - ND | 452F | HATTON | ND |
| 2013-12-11 | 701-543-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - ND | 999E | HATTON | ND |
| — | 701-543-3XXX | 3000–3999 | Reserved | QWEST CORPORATION | 9631 | HATTON | ND |
| — | 701-543-4XXX | 4000–4999 | Reserved | QWEST CORPORATION | 9631 | HATTON | ND |
| 2016-03-16 | 701-543-5XXX | 5000–5999 | Assigned | ONVOY, LLC - ND | 452F | HATTON | ND |
| 2016-03-16 | 701-543-6XXX | 6000–6999 | Assigned | ONVOY, LLC - ND | 452F | HATTON | ND |
| 2007-02-12 | 701-543-7XXX | 7000–7999 | Assigned | ONVOY, LLC - ND | 452F | HATTON | ND |
| 2011-09-29 | 701-543-8XXX | 8000–8999 | Assigned | ONVOY, LLC - ND | 452F | HATTON | ND |
| 2023-02-20 | 701-543-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | HATTON | ND |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.