NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026
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 434
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-10-27 | 434-488-1XXX | 1000–1999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | KEYSVILLE | VA |
| 2021-09-23 | 434-406-1XXX | 1000–1999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | PROSPECT | VA |
| 2019-01-17 | 434-736-6XXX | 6000–6999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | KEYSVILLE | VA |
| 2017-11-29 | 434-208-9XXX | 9000–9999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | KEYSVILLE | VA |
| 2016-08-02 | 434-290-8XXX | 8000–8999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | APPOMATTOX | VA |
| 2016-03-04 | 434-838-9XXX | 9000–9999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | PROSPECT | VA |
| 2015-12-16 | 434-208-8XXX | 8000–8999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | KEYSVILLE | VA |
| 2015-11-17 | 434-454-8XXX | 8000–8999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | CLOVER | VA |
| 2014-09-17 | 434-208-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | KEYSVILLE | VA |
| 2014-03-04 | 434-664-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | APPOMATTOX | VA |
| 2013-12-13 | 434-664-5XXX | 5000–5999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | APPOMATTOX | VA |
| 2012-12-06 | 434-661-9XXX | 9000–9999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | AMHERST | VA |
| 2010-07-06 | 434-454-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | CLOVER | VA |
| 2006-06-23 | 434-607-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | FARMVILLE | VA |
| 2004-08-11 | 434-547-0XXX | 0000–0999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | FARMVILLE | VA |
| 2004-08-11 | 434-547-2XXX | 2000–2999 | Assigned | UNITED STATES CELLULAR - VA | 6283 | FARMVILLE | VA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.