NumberResearchThousands-blocks in 330-593
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 330-593 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, last 30 days — NPA 330
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2026-08-26 | 330-593-0XXX | 0000–0999 | Assigned | ONVOY, LLC - OH | 464C | KENT | OH |
| 2015-12-11 | 330-593-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KENT | OH |
| 2017-03-20 | 330-593-2XXX | 2000–2999 | Assigned | TELNYX LLC | 073H | KENT | OH |
| 2014-05-02 | 330-593-3XXX | 3000–3999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | KENT | OH |
| 2012-01-06 | 330-593-4XXX | 4000–4999 | Assigned | ONVOY, LLC - OH | 464C | KENT | OH |
| 2014-03-13 | 330-593-5XXX | 5000–5999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | KENT | OH |
| — | 330-593-6XXX | 6000–6999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | KENT | OH |
| 2007-12-20 | 330-593-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | KENT | OH |
| 2012-03-07 | 330-593-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | KENT | OH |
| 2016-02-09 | 330-593-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KENT | 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.