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 562
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2021-10-08 | 562-365-2XXX | 2000–2999 | Assigned | VONAGE AMERICA LLC | 197D | LA HABRA | CA |
| 2020-06-10 | 562-504-2XXX | 2000–2999 | Assigned | VONAGE AMERICA LLC | 197D | WHITTIER | CA |
| 2020-06-10 | 562-504-3XXX | 3000–3999 | Assigned | VONAGE AMERICA LLC | 197D | WHITTIER | CA |
| 2020-06-09 | 562-459-1XXX | 1000–1999 | Assigned | VONAGE AMERICA LLC | 197D | DOWNEY | CA |
| 2020-06-09 | 562-459-2XXX | 2000–2999 | Assigned | VONAGE AMERICA LLC | 197D | DOWNEY | CA |
| 2020-06-09 | 562-476-3XXX | 3000–3999 | Assigned | VONAGE AMERICA LLC | 197D | ALAMITOS | CA |
| 2020-06-09 | 562-476-4XXX | 4000–4999 | Assigned | VONAGE AMERICA LLC | 197D | ALAMITOS | CA |
| 2020-05-19 | 562-410-8XXX | 8000–8999 | Assigned | VONAGE AMERICA LLC | 197D | NORWALK | CA |
| 2019-11-22 | 562-486-7XXX | 7000–7999 | Assigned | VONAGE AMERICA LLC | 197D | LONG BEACH | 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.