NumberResearchThousands-blocks in 909-347
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 909-347 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 909 blocks
Most active assignees, all time — NPA 909
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2012-09-27 | 909-347-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | FONTANA | CA |
| 2012-10-23 | 909-347-1XXX | 1000–1999 | Assigned | PACIFIC BELL | 9740 | FONTANA | CA |
| 2012-12-10 | 909-347-2XXX | 2000–2999 | Assigned | METROPCS NETWORKS, LLC | 899D | FONTANA | CA |
| 2012-12-10 | 909-347-3XXX | 3000–3999 | Assigned | METROPCS NETWORKS, LLC | 899D | FONTANA | CA |
| 2013-01-30 | 909-347-4XXX | 4000–4999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | FONTANA | CA |
| 2013-02-07 | 909-347-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CA | 649C | FONTANA | CA |
| 2014-01-06 | 909-347-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | FONTANA | CA |
| 2012-12-04 | 909-347-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | FONTANA | CA |
| 2012-12-04 | 909-347-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CA | 649C | FONTANA | CA |
| 2012-12-06 | 909-347-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FONTANA | CA |
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.