NumberResearchThousands-blocks in 828-554
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 828-554 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 828 blocks
Most active assignees, all time — NPA 828
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2012-05-18 | 828-554-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | CHEROKEE | NC |
| 2015-01-29 | 828-554-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | CHEROKEE | NC |
| 2020-05-15 | 828-554-2XXX | 2000–2999 | Assigned | ONVOY, LLC - NC | 638E | CHEROKEE | NC |
| 2016-03-17 | 828-554-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 7835 | CHEROKEE | NC |
| 2020-03-05 | 828-554-4XXX | 4000–4999 | Assigned | ONVOY, LLC - NC | 638E | CHEROKEE | NC |
| 2009-04-20 | 828-554-5XXX | 5000–5999 | Assigned | FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC | 0509 | CHEROKEE | NC |
| 2005-07-14 | 828-554-6XXX | 6000–6999 | Assigned | BALSAMWEST FIBERNET, LLC - NC | 801D | CHEROKEE | NC |
| 2020-05-15 | 828-554-7XXX | 7000–7999 | Assigned | ONVOY, LLC - NC | 638E | CHEROKEE | NC |
| 2020-05-15 | 828-554-8XXX | 8000–8999 | Assigned | ONVOY, LLC - NC | 638E | CHEROKEE | NC |
| 2021-11-02 | 828-554-9XXX | 9000–9999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | CHEROKEE | NC |
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.