NumberResearchThousands-blocks in 724-973
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 724-973 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-01-08 | 724-973-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SMOCK | PA |
| 2004-04-05 | 724-973-1XXX | 1000–1999 | Assigned | CORE COMMUNICATIONS, INC. - PA | 3806 | SMOCK | PA |
| 2016-03-17 | 724-973-2XXX | 2000–2999 | Assigned | ONVOY, LLC - PA | 547E | SMOCK | PA |
| 2016-03-17 | 724-973-3XXX | 3000–3999 | Assigned | ONVOY, LLC - PA | 547E | SMOCK | PA |
| 2005-03-17 | 724-973-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | SMOCK | PA |
| 2015-07-27 | 724-973-5XXX | 5000–5999 | Assigned | ONVOY, LLC - PA | 547E | SMOCK | PA |
| 2013-04-10 | 724-973-6XXX | 6000–6999 | Assigned | PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA | 967E | SMOCK | PA |
| 2013-04-10 | 724-973-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA | 967E | SMOCK | PA |
| 2008-11-21 | 724-973-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - PA | 002F | SMOCK | PA |
| — | 724-973-9XXX | 9000–9999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7315 | SMOCK | 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.