NumberResearchThousands-blocks in 717-376
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 717-376 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 717-376-0XXX | 0000–0999 | Reserved | CTSI, INC. - PA | 7513 | LEBANON | PA |
| — | 717-376-1XXX | 1000–1999 | Reserved | CTSI, INC. - PA | 7513 | LEBANON | PA |
| — | 717-376-2XXX | 2000–2999 | Reserved | CTSI, INC. - PA | 7513 | LEBANON | PA |
| 2006-02-21 | 717-376-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | LEBANON | PA |
| 2008-03-05 | 717-376-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | LEBANON | PA |
| 2006-08-16 | 717-376-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | LEBANON | PA |
| 2010-06-18 | 717-376-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | LEBANON | PA |
| 2010-10-06 | 717-376-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | LEBANON | PA |
| 2011-06-03 | 717-376-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | LEBANON | PA |
| 2008-03-05 | 717-376-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | LEBANON | 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.