NumberResearchThousands-blocks in 336-642
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 336-642 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 336 blocks
Most active assignees, all time — NPA 336
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2013-02-27 | 336-642-0XXX | 0000–0999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | RURAL HALL | NC |
| 2011-09-14 | 336-642-1XXX | 1000–1999 | Assigned | WINDSTREAM NORTH CAROLINA, INC. | 0476 | RURAL HALL | NC |
| 2021-03-01 | 336-642-2XXX | 2000–2999 | Assigned | ONVOY, LLC - NC | 638E | RURAL HALL | NC |
| 2020-10-08 | 336-642-3XXX | 3000–3999 | Assigned | ONVOY, LLC - NC | 638E | RURAL HALL | NC |
| 2006-09-29 | 336-642-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | RURAL HALL | NC |
| 2021-03-01 | 336-642-5XXX | 5000–5999 | Assigned | ONVOY, LLC - NC | 638E | RURAL HALL | NC |
| 2019-08-08 | 336-642-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - NC | 8389 | RURAL HALL | NC |
| 2015-05-07 | 336-642-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | RURAL HALL | NC |
| 2018-05-02 | 336-642-8XXX | 8000–8999 | Assigned | RIVERSTREET COMMUNICATIONS OF NO CAROLINA - NC | 769H | RURAL HALL | NC |
| 2019-11-12 | 336-642-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | RURAL HALL | NC |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.