NumberResearchThousands-blocks in 717-297
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 717-297 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 717 blocks
Most active assignees, all time — NPA 717
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2016-03-04 | 717-297-0XXX | 0000–0999 | Assigned | ONVOY, LLC - PA | 547E | MT GRETNA | PA |
| 2016-03-04 | 717-297-1XXX | 1000–1999 | Assigned | ONVOY, LLC - PA | 547E | MT GRETNA | PA |
| 2018-05-15 | 717-297-2XXX | 2000–2999 | Assigned | CORE COMMUNICATIONS, INC. - PA | 3806 | MT GRETNA | PA |
| 2018-02-21 | 717-297-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | MT GRETNA | PA |
| — | 717-297-4XXX | 4000–4999 | Available | MT GRETNA | PA | ||
| 2025-03-10 | 717-297-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MT GRETNA | PA |
| 2019-08-21 | 717-297-6XXX | 6000–6999 | Assigned | ONVOY, LLC - PA | 547E | MT GRETNA | PA |
| 2018-08-14 | 717-297-7XXX | 7000–7999 | Assigned | ONVOY, LLC - PA | 547E | MT GRETNA | PA |
| 2017-07-17 | 717-297-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | MT GRETNA | PA |
| — | 717-297-9XXX | 9000–9999 | Available | MT GRETNA | 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.