NumberResearchThousands-blocks in 541-650
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 541-650 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 541 blocks
Most active assignees, all time — NPA 541
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-05-04 | 541-650-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | EUGENE | OR |
| 2016-06-27 | 541-650-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | 5820 | EUGENE | OR |
| 2017-03-08 | 541-650-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | 5820 | EUGENE | OR |
| 2016-05-10 | 541-650-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | EUGENE | OR |
| 2016-06-27 | 541-650-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | 5820 | EUGENE | OR |
| 2016-06-13 | 541-650-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | EUGENE | OR |
| 2017-05-31 | 541-650-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | EUGENE | OR |
| 2016-08-08 | 541-650-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | EUGENE | OR |
| 2016-08-08 | 541-650-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | EUGENE | OR |
| 2016-08-08 | 541-650-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | EUGENE | OR |
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.