NumberResearchThousands-blocks in 714-312
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 714-312 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 714 blocks
Most active assignees, all time — NPA 714
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2009-10-08 | 714-312-0XXX | 0000–0999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | YORBALINDA | CA |
| — | 714-312-1XXX | 1000–1999 | Reserved | IP HORIZON LLC | 515J | YORBALINDA | CA |
| — | 714-312-2XXX | 2000–2999 | Reserved | IP HORIZON LLC | 515J | YORBALINDA | CA |
| 2010-08-03 | 714-312-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | YORBALINDA | CA |
| — | 714-312-4XXX | 4000–4999 | Reserved | IP HORIZON LLC | 515J | YORBALINDA | CA |
| 2003-06-11 | 714-312-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | YORBALINDA | CA |
| 2008-12-17 | 714-312-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | YORBALINDA | CA |
| 2012-10-03 | 714-312-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CA | 649C | YORBALINDA | CA |
| 2006-03-13 | 714-312-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | YORBALINDA | CA |
| 2006-05-31 | 714-312-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | YORBALINDA | 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.