NumberResearchThousands-blocks in 317-622
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 317-622 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 317 blocks
Most active assignees, all time — NPA 317
New assignments by month
Sep 2026
Aug 2026
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Jun 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2004-10-20 | 317-622-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IN | 4803 | CUMBERLAND | IN |
| 2004-02-20 | 317-622-1XXX | 1000–1999 | Assigned | COMCAST IP PHONE, LLC | 318J | CUMBERLAND | IN |
| 2006-05-02 | 317-622-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | CUMBERLAND | IN |
| 2005-05-27 | 317-622-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | 7440 | CUMBERLAND | IN |
| 2005-11-09 | 317-622-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IN | 4803 | CUMBERLAND | IN |
| 2005-08-26 | 317-622-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | CUMBERLAND | IN |
| 2011-05-25 | 317-622-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - IN | 105F | CUMBERLAND | IN |
| 2007-09-11 | 317-622-7XXX | 7000–7999 | Assigned | BHN IP ENABLED SERVICES, LLC | 045L | CUMBERLAND | IN |
| 2008-10-28 | 317-622-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - IN | 105F | CUMBERLAND | IN |
| — | 317-622-9XXX | 9000–9999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - IN | 7314 | CUMBERLAND | IN |
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.