NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, all time — NPA 701
New assignments by month
Sep 2026
Aug 2026
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Jun 2026
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Apr 2026
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Dec 2025
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-06-20 | 701-990-8XXX | 8000–8999 | Assigned | HD CARRIER LLC | 321J | FARGO | ND |
| 2024-06-20 | 701-990-9XXX | 9000–9999 | Assigned | HD CARRIER LLC | 321J | FARGO | ND |
| 2021-02-09 | 701-365-7XXX | 7000–7999 | Assigned | HD CARRIER LLC | 321J | FARGO | ND |
| 2021-02-09 | 701-365-9XXX | 9000–9999 | Assigned | HD CARRIER LLC | 321J | FARGO | ND |
| 2020-05-07 | 701-791-7XXX | 7000–7999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
| 2020-05-07 | 701-791-8XXX | 8000–8999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
| 2019-09-03 | 701-779-9XXX | 9000–9999 | Assigned | HD CARRIER LLC | 321J | DICKINSON | ND |
| 2019-04-10 | 701-791-9XXX | 9000–9999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
| 2017-10-18 | 701-901-2XXX | 2000–2999 | Assigned | HD CARRIER LLC | 321J | WILLISTON | ND |
| 2017-10-18 | 701-901-3XXX | 3000–3999 | Assigned | HD CARRIER LLC | 321J | WILLISTON | ND |
| 2017-03-16 | 701-415-4XXX | 4000–4999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
| 2017-03-15 | 701-300-5XXX | 5000–5999 | Assigned | HD CARRIER LLC | 321J | DICKINSON | ND |
| 2017-03-15 | 701-300-6XXX | 6000–6999 | Assigned | HD CARRIER LLC | 321J | DICKINSON | ND |
| 2016-04-06 | 701-719-0XXX | 0000–0999 | Assigned | HD CARRIER LLC | 321J | BELFIELD | ND |
| 2016-04-06 | 701-719-1XXX | 1000–1999 | Assigned | HD CARRIER LLC | 321J | BELFIELD | ND |
| 2016-04-06 | 701-719-2XXX | 2000–2999 | Assigned | HD CARRIER LLC | 321J | BELFIELD | ND |
| 2016-04-06 | 701-719-3XXX | 3000–3999 | Assigned | HD CARRIER LLC | 321J | BELFIELD | ND |
| 2016-04-06 | 701-719-4XXX | 4000–4999 | Assigned | HD CARRIER LLC | 321J | BELFIELD | ND |
| 2016-04-06 | 701-719-5XXX | 5000–5999 | Assigned | HD CARRIER LLC | 321J | BELFIELD | ND |
| 2016-04-06 | 701-719-6XXX | 6000–6999 | Assigned | HD CARRIER LLC | 321J | BELFIELD | ND |
| 2016-04-06 | 701-719-7XXX | 7000–7999 | Assigned | HD CARRIER LLC | 321J | BELFIELD | ND |
| 2016-04-06 | 701-719-9XXX | 9000–9999 | Assigned | HD CARRIER LLC | 321J | BELFIELD | ND |
| 2015-12-14 | 701-802-0XXX | 0000–0999 | Assigned | HD CARRIER LLC | 321J | DICKINSON | ND |
| 2015-12-14 | 701-802-2XXX | 2000–2999 | Assigned | HD CARRIER LLC | 321J | DICKINSON | ND |
| 2015-12-14 | 701-802-3XXX | 3000–3999 | Assigned | HD CARRIER LLC | 321J | DICKINSON | ND |
| 2015-12-14 | 701-802-4XXX | 4000–4999 | Assigned | HD CARRIER LLC | 321J | DICKINSON | ND |
| 2015-12-14 | 701-802-5XXX | 5000–5999 | Assigned | HD CARRIER LLC | 321J | DICKINSON | ND |
| 2015-12-14 | 701-802-6XXX | 6000–6999 | Assigned | HD CARRIER LLC | 321J | DICKINSON | ND |
| 2015-12-14 | 701-802-7XXX | 7000–7999 | Assigned | HD CARRIER LLC | 321J | DICKINSON | ND |
| 2015-12-14 | 701-802-8XXX | 8000–8999 | Assigned | HD CARRIER LLC | 321J | DICKINSON | ND |
| 2015-12-14 | 701-802-9XXX | 9000–9999 | Assigned | HD CARRIER LLC | 321J | DICKINSON | ND |
| 2014-12-24 | 701-801-0XXX | 0000–0999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
| 2014-12-24 | 701-801-2XXX | 2000–2999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
| 2014-12-24 | 701-801-3XXX | 3000–3999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
| 2014-12-24 | 701-801-4XXX | 4000–4999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
| 2014-12-24 | 701-801-5XXX | 5000–5999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
| 2014-12-24 | 701-801-6XXX | 6000–6999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
| 2014-12-24 | 701-801-7XXX | 7000–7999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
| 2014-12-24 | 701-801-8XXX | 8000–8999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
| 2014-12-24 | 701-801-9XXX | 9000–9999 | Assigned | HD CARRIER LLC | 321J | BISMARCK | ND |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.