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 251
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-03-28 | 251-386-1XXX | 1000–1999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2018-07-26 | 251-355-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2016-08-09 | 251-800-4XXX | 4000–4999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2016-08-09 | 251-800-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2015-09-10 | 251-316-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2015-06-03 | 251-414-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2014-11-17 | 251-418-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | MCINTOSH | AL |
| 2014-09-30 | 251-239-1XXX | 1000–1999 | Assigned | PAETEC ITEL, LLC | 829J | BAYMINETTE | AL |
| 2014-09-09 | 251-460-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2012-02-22 | 251-206-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2012-01-11 | 251-929-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | FAIRHOPE | AL |
| 2011-07-13 | 251-341-2XXX | 2000–2999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2009-10-01 | 251-957-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | IRNGTNSTEL | AL |
| 2009-09-10 | 251-517-8XXX | 8000–8999 | Assigned | PAETEC ITEL, LLC | 829J | FAIRHOPE | AL |
| 2008-09-29 | 251-273-9XXX | 9000–9999 | Assigned | PAETEC ITEL, LLC | 829J | CITRONELLE | AL |
| 2008-09-05 | 251-289-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2008-09-05 | 251-289-4XXX | 4000–4999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2008-09-05 | 251-289-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2008-06-19 | 251-338-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2008-06-03 | 251-829-1XXX | 1000–1999 | Assigned | PAETEC ITEL, LLC | 829J | MT VERNON | AL |
| 2006-06-27 | 251-622-9XXX | 9000–9999 | Assigned | PAETEC ITEL, LLC | 829J | MOBILE | AL |
| 2005-04-26 | 251-210-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | FAIRHOPE | AL |
| 2005-04-23 | 251-517-6XXX | 6000–6999 | Assigned | PAETEC ITEL, LLC | 829J | FAIRHOPE | AL |
| 2003-08-08 | 251-517-1XXX | 1000–1999 | Assigned | PAETEC ITEL, LLC | 829J | FAIRHOPE | AL |
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.