NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026
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 501
New assignments by month
Sep 2026
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-05-12 | 501-946-3XXX | 3000–3999 | Assigned | FRACTEL, LLC | 965H | BENTON | AR |
| 2020-11-20 | 501-567-8XXX | 8000–8999 | Assigned | FRACTEL, LLC | 965H | CENTER RDG | AR |
| 2020-11-20 | 501-667-8XXX | 8000–8999 | Assigned | FRACTEL, LLC | 965H | KENSETT | AR |
| 2020-07-16 | 501-577-7XXX | 7000–7999 | Assigned | FRACTEL, LLC | 965H | LONOKE | AR |
| 2020-07-16 | 501-599-9XXX | 9000–9999 | Assigned | FRACTEL, LLC | 965H | SYVNHLSHWD | AR |
| 2020-07-16 | 501-755-5XXX | 5000–5999 | Assigned | FRACTEL, LLC | 965H | QUITMAN | AR |
| 2020-07-16 | 501-799-9XXX | 9000–9999 | Assigned | FRACTEL, LLC | 965H | PALARM | AR |
| 2020-07-13 | 501-356-9XXX | 9000–9999 | Assigned | FRACTEL, LLC | 965H | JESSIEVL | AR |
| 2020-07-13 | 501-699-9XXX | 9000–9999 | Assigned | FRACTEL, LLC | 965H | SCOTLAND | AR |
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.