NumberResearchThousands-blocks in 724-441
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 724-441 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 724-441-0XXX | 0000–0999 | Reserved | CORE COMMUNICATIONS, INC. - PA | 3806 | LIGONIER | PA |
| 2016-09-21 | 724-441-1XXX | 1000–1999 | Assigned | PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA | 967E | LIGONIER | PA |
| 2018-10-15 | 724-441-2XXX | 2000–2999 | Assigned | CORE COMMUNICATIONS, INC. - PA | 3806 | LIGONIER | PA |
| 2013-07-03 | 724-441-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LIGONIER | PA |
| 2013-12-10 | 724-441-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | LIGONIER | PA |
| 2018-05-22 | 724-441-5XXX | 5000–5999 | Assigned | CORE COMMUNICATIONS, INC. - PA | 3806 | LIGONIER | PA |
| 2018-05-22 | 724-441-6XXX | 6000–6999 | Assigned | CORE COMMUNICATIONS, INC. - PA | 3806 | LIGONIER | PA |
| 2018-10-15 | 724-441-7XXX | 7000–7999 | Assigned | CORE COMMUNICATIONS, INC. - PA | 3806 | LIGONIER | PA |
| 2017-07-25 | 724-441-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | LIGONIER | PA |
| 2018-05-22 | 724-441-9XXX | 9000–9999 | Assigned | CORE COMMUNICATIONS, INC. - PA | 3806 | LIGONIER | 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.