NumberResearchThousands-blocks in 315-207
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 315-207 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 315 blocks
Most active assignees, all time — NPA 315
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 315-207-0XXX | 0000–0999 | Reserved | VERIZON NEW YORK, INC. | 9104 | OSWEGO | NY |
| 2019-06-24 | 315-207-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | OSWEGO | NY |
| 2008-04-07 | 315-207-2XXX | 2000–2999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | OSWEGO | NY |
| 2005-01-05 | 315-207-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | OSWEGO | NY |
| 2002-07-08 | 315-207-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | OSWEGO | NY |
| 2005-01-17 | 315-207-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | OSWEGO | NY |
| 2020-01-06 | 315-207-6XXX | 6000–6999 | Assigned | TELNYX LLC | 073H | OSWEGO | NY |
| 2006-05-15 | 315-207-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | OSWEGO | NY |
| 2020-05-13 | 315-207-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | OSWEGO | NY |
| 2021-03-18 | 315-207-9XXX | 9000–9999 | Assigned | ONVOY, LLC- NY | 384C | OSWEGO | NY |
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.