NumberResearchThousands-blocks in 412-238
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 412-238 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 412-238-0XXX | 0000–0999 | Available | PTTSBGZON2 | PA | ||
| — | 412-238-1XXX | 1000–1999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | PTTSBGZON2 | PA |
| 2024-06-11 | 412-238-2XXX | 2000–2999 | Assigned | ONVOY, LLC - PA | 547E | PTTSBGZON2 | PA |
| — | 412-238-3XXX | 3000–3999 | Available | PTTSBGZON2 | PA | ||
| — | 412-238-4XXX | 4000–4999 | Available | PTTSBGZON2 | PA | ||
| — | 412-238-5XXX | 5000–5999 | Available | PTTSBGZON2 | PA | ||
| — | 412-238-6XXX | 6000–6999 | Available | PTTSBGZON2 | PA | ||
| 2013-10-25 | 412-238-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - PA | 002F | PTTSBGZON2 | PA |
| 2010-08-25 | 412-238-8XXX | 8000–8999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | PTTSBGZON2 | PA |
| 2025-05-23 | 412-238-9XXX | 9000–9999 | Assigned | EXIANT COMMUNICATIONS LLC | 114J | PTTSBGZON2 | 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.