NumberResearchThousands-blocks in 717-800
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 717-800 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
Aug 2026
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Jun 2026
May 2026
Apr 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2013-05-13 | 717-800-0XXX | 0000–0999 | Assigned | ONVOY, LLC - PA | 547E | SPRING GRV | PA |
| 2015-01-16 | 717-800-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - PA | 002F | SPRING GRV | PA |
| 2017-03-09 | 717-800-2XXX | 2000–2999 | Assigned | ONVOY, LLC - PA | 547E | SPRING GRV | PA |
| — | 717-800-3XXX | 3000–3999 | Available | SPRING GRV | PA | ||
| 2026-03-05 | 717-800-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SPRING GRV | PA |
| — | 717-800-5XXX | 5000–5999 | Available | SPRING GRV | PA | ||
| 2016-02-22 | 717-800-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7309 | SPRING GRV | PA |
| 2014-12-10 | 717-800-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | SPRING GRV | PA |
| 2015-01-15 | 717-800-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | SPRING GRV | PA |
| 2018-08-23 | 717-800-9XXX | 9000–9999 | Assigned | ONVOY, LLC - PA | 547E | SPRING GRV | PA |
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.