NumberResearchThousands-blocks in 409-336
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 409-336 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 409 blocks
Most active assignees, all time — NPA 409
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2021-02-23 | 409-336-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | JASPER | TX |
| 2022-05-25 | 409-336-1XXX | 1000–1999 | Assigned | AERIAL COMMUNICATIONS, INC. | 6701 | JASPER | TX |
| 2021-03-17 | 409-336-2XXX | 2000–2999 | Assigned | ONVOY, LLC - TX | 903C | JASPER | TX |
| 2021-03-17 | 409-336-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | JASPER | TX |
| 2022-02-06 | 409-336-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | JASPER | TX |
| 2022-05-25 | 409-336-5XXX | 5000–5999 | Assigned | AERIAL COMMUNICATIONS, INC. | 6701 | JASPER | TX |
| 2024-02-07 | 409-336-6XXX | 6000–6999 | Assigned | ONVOY, LLC - TX | 903C | JASPER | TX |
| 2021-04-26 | 409-336-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | JASPER | TX |
| 2020-12-01 | 409-336-8XXX | 8000–8999 | Assigned | FRACTEL, LLC | 965H | JASPER | TX |
| 2023-01-10 | 409-336-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | JASPER | 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.