NumberResearchThousands-blocks in 720-414
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 720-414 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 720 blocks
Most active assignees, all time — NPA 720
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2012-04-17 | 720-414-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CO | 078F | ALLNSPKLYN | CO |
| 2014-05-22 | 720-414-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | ALLNSPKLYN | CO |
| 2011-10-05 | 720-414-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | ALLNSPKLYN | CO |
| 2012-01-27 | 720-414-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | ALLNSPKLYN | CO |
| 2012-07-02 | 720-414-4XXX | 4000–4999 | Assigned | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 3467 | ALLNSPKLYN | CO |
| 2012-08-21 | 720-414-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | ALLNSPKLYN | CO |
| 2013-07-16 | 720-414-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | ALLNSPKLYN | CO |
| 2014-04-25 | 720-414-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | ALLNSPKLYN | CO |
| 2013-04-02 | 720-414-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF COLORADO, LLC - CO | 278F | ALLNSPKLYN | CO |
| 2013-04-02 | 720-414-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF COLORADO, LLC - CO | 278F | ALLNSPKLYN | CO |
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.