NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, all time — NPA 724
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2009-07-13 | 724-691-3XXX | 3000–3999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | GREENSBURG | PA |
| 2009-07-13 | 724-923-3XXX | 3000–3999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | NEW CASTLE | PA |
| 2009-07-13 | 724-965-3XXX | 3000–3999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | NEW CASTLE | PA |
| 2009-01-30 | 724-320-6XXX | 6000–6999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | UNIONTOWN | PA |
| 2009-01-30 | 724-427-8XXX | 8000–8999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | INDIANA | PA |
| 2009-01-30 | 724-610-5XXX | 5000–5999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | GREENSBURG | PA |
| 2009-01-30 | 724-614-7XXX | 7000–7999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | NEW CASTLE | PA |
| 2009-01-30 | 724-717-8XXX | 8000–8999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | INDIANA | PA |
| 2008-09-04 | 724-550-7XXX | 7000–7999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | UNIONTOWN | PA |
| 2008-07-11 | 724-552-9XXX | 9000–9999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | GREENSBURG | PA |
| 2008-06-20 | 724-923-5XXX | 5000–5999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | NEW CASTLE | PA |
| 2008-05-14 | 724-427-6XXX | 6000–6999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | INDIANA | PA |
| 2008-05-14 | 724-427-7XXX | 7000–7999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | INDIANA | PA |
| 2008-04-25 | 724-503-3XXX | 3000–3999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | WASHINGTON | PA |
| 2008-02-29 | 724-698-5XXX | 5000–5999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | NEW CASTLE | PA |
| 2007-05-24 | 724-427-4XXX | 4000–4999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | INDIANA | PA |
| 2007-05-24 | 724-503-2XXX | 2000–2999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | WASHINGTON | PA |
| 2007-05-24 | 724-550-1XXX | 1000–1999 | Assigned | YMAX COMMUNICATIONS CORP. - PA | 283E | UNIONTOWN | 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.