NumberResearchThousands-blocks in 412-954
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 412-954 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 412 blocks
Most active assignees, all time — NPA 412
New assignments by month
Sep 2026
Aug 2026
Jul 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-03-07 | 412-954-0XXX | 0000–0999 | Assigned | ONVOY, LLC - PA | 547E | PTTSBGZON8 | PA |
| 2024-03-07 | 412-954-1XXX | 1000–1999 | Assigned | ONVOY, LLC - PA | 547E | PTTSBGZON8 | PA |
| 2006-03-09 | 412-954-2XXX | 2000–2999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON8 | PA |
| 2013-03-19 | 412-954-3XXX | 3000–3999 | Assigned | IP HORIZON LLC | 515J | PTTSBGZON8 | PA |
| 2008-08-08 | 412-954-4XXX | 4000–4999 | Assigned | US LEC OF PENNSYLVANIA, INC. | 2514 | PTTSBGZON8 | PA |
| 2008-08-08 | 412-954-5XXX | 5000–5999 | Assigned | US LEC OF PENNSYLVANIA, INC. | 2514 | PTTSBGZON8 | PA |
| 2026-04-27 | 412-954-6XXX | 6000–6999 | Assigned | PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA | 967E | PTTSBGZON8 | PA |
| 2014-12-03 | 412-954-7XXX | 7000–7999 | Assigned | AERIAL COMMUNICATIONS, INC. | 6701 | PTTSBGZON8 | PA |
| 2014-12-03 | 412-954-8XXX | 8000–8999 | Assigned | AERIAL COMMUNICATIONS, INC. | 6701 | PTTSBGZON8 | PA |
| 2021-12-17 | 412-954-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PTTSBGZON8 | PA |
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.