NumberResearchThousands-blocks in 717-620
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 717-620 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 |
|---|---|---|---|---|---|---|---|
| 2007-02-14 | 717-620-0XXX | 0000–0999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MECHANCSBG | PA |
| 2016-11-09 | 717-620-1XXX | 1000–1999 | Assigned | D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE | 6846 | MECHANCSBG | PA |
| — | 717-620-2XXX | 2000–2999 | Reserved | WINDSTREAM D & E SYSTEMS, INC. - PA | 4114 | MECHANCSBG | PA |
| 2006-10-13 | 717-620-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MECHANCSBG | PA |
| 2006-10-13 | 717-620-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MECHANCSBG | PA |
| 2009-10-14 | 717-620-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | MECHANCSBG | PA |
| 2012-02-28 | 717-620-6XXX | 6000–6999 | Assigned | WINDSTREAM D & E SYSTEMS, INC. - PA | 4114 | MECHANCSBG | PA |
| 2009-03-12 | 717-620-7XXX | 7000–7999 | Assigned | CORE COMMUNICATIONS, INC. - PA | 3806 | MECHANCSBG | PA |
| 2007-05-15 | 717-620-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | MECHANCSBG | PA |
| 2008-11-21 | 717-620-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - PA | 002F | 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.