NumberResearchThousands-blocks in 317-217
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 317-217 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
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2005-04-27 | 317-217-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | INDIANAPLS | IN |
| 2003-03-07 | 317-217-1XXX | 1000–1999 | Assigned | PAETEC ITEL, LLC | 829J | INDIANAPLS | IN |
| — | 317-217-2XXX | 2000–2999 | Reserved | INDIANA BELL TEL CO INC | 9325 | INDIANAPLS | IN |
| — | 317-217-3XXX | 3000–3999 | Reserved | INDIANA BELL TEL CO INC | 9325 | INDIANAPLS | IN |
| 2008-09-26 | 317-217-4XXX | 4000–4999 | Assigned | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | INDIANAPLS | IN |
| 2007-09-11 | 317-217-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | INDIANAPLS | IN |
| 2007-01-15 | 317-217-6XXX | 6000–6999 | Assigned | LEVEL 3 TELECOM OF INDIANA, LP - IN | 7060 | INDIANAPLS | IN |
| — | 317-217-7XXX | 7000–7999 | Reserved | INDIANA BELL TEL CO INC | 9325 | INDIANAPLS | IN |
| 2005-09-01 | 317-217-8XXX | 8000–8999 | Assigned | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | INDIANAPLS | IN |
| 2005-04-27 | 317-217-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | INDIANAPLS | IN |
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.