NumberResearchThousands-blocks in 315-997
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 315-997 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
Aug 2026
Jul 2026
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Dec 2025
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2018-08-15 | 315-997-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | ONTARIO | NY |
| 2019-03-21 | 315-997-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | ONTARIO | NY |
| 2026-05-07 | 315-997-2XXX | 2000–2999 | Assigned | ONVOY, LLC- NY | 384C | ONTARIO | NY |
| 2019-01-08 | 315-997-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | ONTARIO | NY |
| 2021-01-26 | 315-997-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ONTARIO | NY |
| 2021-01-26 | 315-997-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ONTARIO | NY |
| 2021-04-26 | 315-997-6XXX | 6000–6999 | Assigned | ONVOY, LLC- NY | 384C | ONTARIO | NY |
| 2025-03-12 | 315-997-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ONTARIO | NY |
| 2021-01-07 | 315-997-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | ONTARIO | NY |
| 2021-02-19 | 315-997-9XXX | 9000–9999 | Assigned | ONVOY, LLC- NY | 384C | ONTARIO | 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.