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 505
New assignments by month
Sep 2026
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-03-10 | 505-887-7XXX | 7000–7999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | GRANTS | NM |
| 2022-03-03 | 505-626-2XXX | 2000–2999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | OJOCALINTE | NM |
| 2022-03-03 | 505-646-4XXX | 4000–4999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | FENCE LAKE | NM |
| 2022-03-01 | 505-562-7XXX | 7000–7999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | DIXON | NM |
| 2022-02-28 | 505-746-7XXX | 7000–7999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | CHIMAYO | NM |
| 2022-02-25 | 505-512-2XXX | 2000–2999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | FARMINGTON | NM |
| 2021-09-07 | 505-732-7XXX | 7000–7999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | NASCHITTI | NM |
| 2021-08-05 | 505-483-7XXX | 7000–7999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | AZTEC | NM |
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.