NumberResearchThousands-blocks in 714-820
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 714-820 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
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2009-02-20 | 714-820-0XXX | 0000–0999 | Assigned | METROPCS NETWORKS, LLC | 899D | CYPRESS | CA |
| — | 714-820-1XXX | 1000–1999 | Reserved | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | CYPRESS | CA |
| — | 714-820-2XXX | 2000–2999 | Reserved | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | CYPRESS | CA |
| 2007-03-26 | 714-820-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | CYPRESS | CA |
| 2007-02-23 | 714-820-4XXX | 4000–4999 | Assigned | PAETEC ITEL, LLC | 829J | CYPRESS | CA |
| 2010-08-05 | 714-820-5XXX | 5000–5999 | Assigned | COMCAST PHONE OF CALIFORNIA, LLC | 394L | CYPRESS | CA |
| 2010-08-11 | 714-820-6XXX | 6000–6999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | CYPRESS | CA |
| 2014-03-14 | 714-820-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | CYPRESS | CA |
| 2014-03-18 | 714-820-8XXX | 8000–8999 | Assigned | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | CYPRESS | CA |
| 2010-06-09 | 714-820-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | CYPRESS | 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.