NumberResearchThousands-blocks in 330-952
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 330-952 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 330 blocks
Most active assignees, all time — NPA 330
New assignments by month
Sep 2026
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2007-03-15 | 330-952-0XXX | 0000–0999 | Assigned | ARMSTRONG TELECOMMUNICATIONS, INC. - OH | 024E | MEDINA | OH |
| 2008-09-18 | 330-952-1XXX | 1000–1999 | Assigned | ARMSTRONG TELECOMMUNICATIONS, INC. - OH | 024E | MEDINA | OH |
| 2010-10-06 | 330-952-2XXX | 2000–2999 | Assigned | ARMSTRONG TELECOMMUNICATIONS, INC. - OH | 024E | MEDINA | OH |
| 2017-09-21 | 330-952-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MEDINA | OH |
| 2024-01-04 | 330-952-4XXX | 4000–4999 | Assigned | ONVOY, LLC - OH | 464C | MEDINA | OH |
| 2021-05-12 | 330-952-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | MEDINA | OH |
| 2025-03-27 | 330-952-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MEDINA | OH |
| 2021-05-12 | 330-952-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | MEDINA | OH |
| 2023-09-14 | 330-952-8XXX | 8000–8999 | Assigned | ONVOY, LLC - OH | 464C | MEDINA | OH |
| 2023-09-14 | 330-952-9XXX | 9000–9999 | Assigned | ONVOY, LLC - OH | 464C | MEDINA | OH |
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.