NumberResearchThousands-blocks in 724-576
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 724-576 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 724 blocks
Most active assignees, all time — NPA 724
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-07-25 | 724-576-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | MIDLAND | PA |
| 2024-10-16 | 724-576-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MIDLAND | PA |
| 2017-08-01 | 724-576-2XXX | 2000–2999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MIDLAND | PA |
| 2022-02-03 | 724-576-3XXX | 3000–3999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | MIDLAND | PA |
| 2003-05-14 | 724-576-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | MIDLAND | PA |
| 2021-02-11 | 724-576-5XXX | 5000–5999 | Assigned | ONVOY, LLC - PA | 547E | MIDLAND | PA |
| 2005-05-09 | 724-576-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | MIDLAND | PA |
| 2015-05-15 | 724-576-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MIDLAND | PA |
| 2016-03-16 | 724-576-8XXX | 8000–8999 | Assigned | ONVOY, LLC - PA | 547E | MIDLAND | PA |
| 2016-03-16 | 724-576-9XXX | 9000–9999 | Assigned | ONVOY, LLC - PA | 547E | MIDLAND | PA |
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.