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 432
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 |
|---|---|---|---|---|---|---|---|
| 2016-03-08 | 432-994-0XXX | 0000–0999 | Assigned | SOUTHWESTERN BELL | 9533 | MIDLAND | TX |
| 2015-06-19 | 432-276-8XXX | 8000–8999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2015-03-13 | 432-276-4XXX | 4000–4999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2013-06-14 | 432-248-3XXX | 3000–3999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2013-05-09 | 432-703-5XXX | 5000–5999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2010-10-14 | 432-456-0XXX | 0000–0999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2010-10-14 | 432-456-1XXX | 1000–1999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2010-10-14 | 432-456-2XXX | 2000–2999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2010-10-14 | 432-456-3XXX | 3000–3999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2010-10-14 | 432-456-4XXX | 4000–4999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2010-10-14 | 432-456-5XXX | 5000–5999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2010-10-14 | 432-456-6XXX | 6000–6999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2010-10-14 | 432-456-7XXX | 7000–7999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2010-10-14 | 432-456-8XXX | 8000–8999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2010-10-14 | 432-456-9XXX | 9000–9999 | Assigned | SOUTHWESTERN BELL | 9533 | ODESSA | TX |
| 2010-06-01 | 432-818-1XXX | 1000–1999 | Assigned | SOUTHWESTERN BELL | 9533 | MIDLAND | TX |
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.