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 424
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2025-09-10 | 424-515-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | INGLEWOOD | CA |
| 2025-08-05 | 424-557-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | EL SEGUNDO | CA |
| 2025-05-12 | 424-731-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | TORRANCE | CA |
| 2025-04-17 | 424-554-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | W ANGELES | CA |
| 2024-11-27 | 424-781-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MALIBU | CA |
| 2024-08-15 | 424-675-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | HAWTHORNE | CA |
| 2024-01-16 | 424-462-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SAN PEDRO | CA |
| 2022-04-06 | 424-298-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CULVERCITY | CA |
| 2022-03-15 | 424-294-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | HAWTHORNE | CA |
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.