NumberResearchThousands-blocks in 339-210
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 339-210 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 339 blocks
Most active assignees, last 30 days — NPA 339
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 |
|---|---|---|---|---|---|---|---|
| 2016-06-01 | 339-210-0XXX | 0000–0999 | Assigned | IP HORIZON LLC | 515J | SAUGUS | MA |
| 2016-03-04 | 339-210-1XXX | 1000–1999 | Assigned | ONVOY, LLC - MA | 892D | SAUGUS | MA |
| 2019-03-07 | 339-210-2XXX | 2000–2999 | Assigned | TELNYX LLC | 073H | SAUGUS | MA |
| 2017-09-28 | 339-210-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | SAUGUS | MA |
| 2019-12-10 | 339-210-4XXX | 4000–4999 | Assigned | VONAGE AMERICA LLC | 197D | SAUGUS | MA |
| 2019-05-02 | 339-210-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | SAUGUS | MA |
| 2019-12-12 | 339-210-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SAUGUS | MA |
| 2026-09-09 | 339-210-7XXX | 7000–7999 | Assigned | EXIANT COMMUNICATIONS LLC | 114J | SAUGUS | MA |
| 2017-04-10 | 339-210-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | SAUGUS | MA |
| 2019-05-24 | 339-210-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | SAUGUS | MA |
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.