NumberResearchThousands-blocks in 717-516
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 717-516 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2011-08-29 | 717-516-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - PA | 002F | MECHANCSBG | PA |
| 2012-03-05 | 717-516-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - PA | 002F | MECHANCSBG | PA |
| 2013-02-04 | 717-516-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - PA | 002F | MECHANCSBG | PA |
| 2011-05-13 | 717-516-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | MECHANCSBG | PA |
| 2018-08-14 | 717-516-4XXX | 4000–4999 | Assigned | EXIANT COMMUNICATIONS LLC | 114J | MECHANCSBG | PA |
| 2010-05-20 | 717-516-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - PA | 002F | MECHANCSBG | PA |
| 2011-09-29 | 717-516-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | MECHANCSBG | PA |
| 2013-03-08 | 717-516-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | MECHANCSBG | PA |
| 2014-01-28 | 717-516-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - PA | 002F | MECHANCSBG | PA |
| 2013-12-23 | 717-516-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | MECHANCSBG | 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.