NumberResearchThousands-blocks in 669-233
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/21/2026
The ten 1,000-number thousand-blocks inside prefix 669-233 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 669 blocks
Most active assignees, all time — NPA 669
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2014-05-14 | 669-233-0XXX | 0000–0999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | LOS GATOS | CA |
| 2015-04-13 | 669-233-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | LOS GATOS | CA |
| 2014-12-09 | 669-233-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | LOS GATOS | CA |
| 2014-10-03 | 669-233-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | LOS GATOS | CA |
| 2014-04-18 | 669-233-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | LOS GATOS | CA |
| 2014-07-15 | 669-233-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | LOS GATOS | CA |
| 2014-07-15 | 669-233-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | LOS GATOS | CA |
| 2014-03-07 | 669-233-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | LOS GATOS | CA |
| 2015-04-27 | 669-233-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | LOS GATOS | CA |
| 2014-03-17 | 669-233-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LOS GATOS | CA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.