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 641
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 |
|---|---|---|---|---|---|---|---|
| 2022-07-19 | 641-255-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MASON CITY | IA |
| 2022-07-15 | 641-255-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MASON CITY | IA |
| 2022-06-20 | 641-200-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | CHARLES CY | IA |
| 2022-06-20 | 641-255-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MASON CITY | IA |
| 2018-07-20 | 641-630-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | HAMPTON | IA |
| 2018-07-16 | 641-351-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MARSHALLTN | IA |
| 2018-06-29 | 641-200-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | CHARLES CY | IA |
| 2018-06-29 | 641-200-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | CHARLES CY | IA |
| 2018-06-22 | 641-575-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | OTTUMWA | IA |
| 2018-05-15 | 641-548-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MASON CITY | IA |
| 2018-05-10 | 641-666-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | OSAGE | IA |
| 2018-05-10 | 641-999-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | NASHUA | IA |
| 2018-05-07 | 641-328-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MARSHALLTN | IA |
| 2018-05-01 | 641-505-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MANLY | IA |
| 2018-04-30 | 641-631-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | CHARLES CY | IA |
| 2018-04-30 | 641-631-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | CHARLES CY | IA |
| 2017-07-20 | 641-505-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MANLY | IA |
| 2017-07-07 | 641-428-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MASON CITY | IA |
| 2016-06-21 | 641-323-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | NORTHWOOD | IA |
| 2016-06-20 | 641-435-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | NASHUA | IA |
| 2015-10-13 | 641-860-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | BRITT | IA |
| 2015-06-23 | 641-583-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MANLY | IA |
| 2015-06-03 | 641-854-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MARSHALLTN | IA |
| 2015-05-29 | 641-715-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | CHARLES CY | IA |
| 2015-04-27 | 641-316-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | IOWA FALLS | IA |
| 2015-04-27 | 641-323-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | NORTHWOOD | IA |
| 2015-04-27 | 641-458-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | GENEVA | IA |
| 2014-10-27 | 641-352-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MARSHALLTN | IA |
| 2014-06-12 | 641-316-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | IOWA FALLS | IA |
| 2014-02-12 | 641-455-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | OTTUMWA | IA |
| 2012-01-11 | 641-323-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | NORTHWOOD | IA |
| 2012-01-11 | 641-454-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MANLY | IA |
| 2011-12-28 | 641-458-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | GENEVA | IA |
| 2011-11-16 | 641-847-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | ACKLEY | IA |
| 2011-10-28 | 641-732-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | OSAGE | IA |
| 2011-09-29 | 641-316-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | IOWA FALLS | IA |
| 2011-09-29 | 641-632-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | ROSE HILL | IA |
| 2011-09-06 | 641-435-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | NASHUA | IA |
| 2011-08-25 | 641-812-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | HAMPTON | IA |
| 2011-08-18 | 641-519-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | GARNER | IA |
| 2010-09-08 | 641-328-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MARSHALLTN | IA |
| 2010-09-08 | 641-426-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | CHARLES CY | IA |
| 2010-09-08 | 641-569-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | OSKALOOSA | IA |
| 2010-09-08 | 641-954-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | OTTUMWA | IA |
| 2010-06-03 | 641-351-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | MARSHALLTN | IA |
| 2010-06-03 | 641-638-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | OSKALOOSA | IA |
| 2010-06-03 | 641-954-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | OTTUMWA | IA |
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.