NumberResearchThousands-blocks in 704-255
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 704-255 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 704 blocks
Most active assignees, all time — NPA 704
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 |
|---|---|---|---|---|---|---|---|
| 2005-05-11 | 704-255-0XXX | 0000–0999 | Assigned | SPRINGBOARD TELECOM, LLC - NC | 9412 | DAVIDSON | NC |
| — | 704-255-1XXX | 1000–1999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | DAVIDSON | NC |
| 2026-04-24 | 704-255-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | DAVIDSON | NC |
| — | 704-255-3XXX | 3000–3999 | Reserved | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | DAVIDSON | NC |
| 2011-06-02 | 704-255-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | DAVIDSON | NC |
| 2012-06-14 | 704-255-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | DAVIDSON | NC |
| 2008-04-24 | 704-255-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | DAVIDSON | NC |
| 2023-08-10 | 704-255-7XXX | 7000–7999 | Assigned | ONVOY, LLC - NC | 638E | DAVIDSON | NC |
| 2026-01-13 | 704-255-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DAVIDSON | NC |
| 2025-11-21 | 704-255-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | DAVIDSON | NC |
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.