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 205
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-10-19 | 205-895-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2017-04-06 | 205-255-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | DORA | AL |
| 2016-10-19 | 205-216-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | ALABASTER | AL |
| 2016-03-23 | 205-336-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | EUTAW | AL |
| 2015-02-02 | 205-715-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2014-07-28 | 205-650-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | TUSCALOOSA | AL |
| 2012-10-05 | 205-764-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | TUSCALOOSA | AL |
| 2012-06-27 | 205-543-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | WARRIOR | AL |
| 2012-05-18 | 205-578-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2012-04-26 | 205-564-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | ALABASTER | AL |
| 2011-11-30 | 205-928-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | CENTREVL | AL |
| 2011-11-23 | 205-319-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | CALERA | AL |
| 2011-11-16 | 205-460-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2011-11-16 | 205-460-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2011-04-22 | 205-578-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2011-02-17 | 205-547-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2010-10-20 | 205-217-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | CLANTON | AL |
| 2007-10-05 | 205-307-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2007-10-05 | 205-510-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2007-10-05 | 205-545-2XXX | 2000–2999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2007-03-22 | 205-661-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | TRUSSVILLE | AL |
| 2007-03-09 | 205-747-2XXX | 2000–2999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2007-03-09 | 205-994-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2007-03-09 | 205-994-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2007-02-27 | 205-565-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BESSEMER | AL |
| 2006-12-08 | 205-747-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2006-12-08 | 205-747-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2006-11-15 | 205-535-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | TUSCALOOSA | AL |
| 2006-11-15 | 205-544-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | JASPER | AL |
| 2006-11-15 | 205-671-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | COLUMBIANA | AL |
| 2006-11-15 | 205-675-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | GRAYSVILLE | AL |
| 2006-11-15 | 205-687-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | PINSON | AL |
| 2006-11-15 | 205-775-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | CHELSEA | AL |
| 2006-07-28 | 205-588-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2006-07-24 | 205-421-9XXX | 9000–9999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2006-03-30 | 205-607-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | GARDENDALE | AL |
| 2006-03-14 | 205-453-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2005-12-22 | 205-453-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2005-11-01 | 205-986-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
| 2005-11-01 | 205-986-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL | 7469 | BIRMINGHAM | AL |
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.