NumberResearchThousands-blocks in 979-500
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 979-500 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 979 blocks
Most active assignees, all time — NPA 979
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-11-20 | 979-500-0XXX | 0000–0999 | Assigned | IP HORIZON LLC | 515J | COLUMBUS | TX |
| 2016-02-29 | 979-500-1XXX | 1000–1999 | Assigned | ONVOY, LLC - TX | 903C | COLUMBUS | TX |
| 2016-02-29 | 979-500-2XXX | 2000–2999 | Assigned | ONVOY, LLC - TX | 903C | COLUMBUS | TX |
| 2018-05-11 | 979-500-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | COLUMBUS | TX |
| 2010-11-24 | 979-500-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | COLUMBUS | TX |
| 2020-06-15 | 979-500-5XXX | 5000–5999 | Assigned | FRACTEL, LLC | 965H | COLUMBUS | TX |
| 2020-12-30 | 979-500-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - TX | 004F | COLUMBUS | TX |
| 2015-04-16 | 979-500-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | COLUMBUS | TX |
| 2021-06-21 | 979-500-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | COLUMBUS | TX |
| 2020-10-22 | 979-500-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF TEXAS, LLC - TX | 177F | COLUMBUS | TX |
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.