NumberResearchRecent thousands-block assignments
10 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, last 30 days — NPA 405
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
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Dec 2025
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2002-11-05 | 405-646-2XXX | 2000–2999 | Assigned | CHICKASAW TELECOMMUNICAIONS SERVICES, INC. | 4630 | CARNEY | OK |
| 2002-10-15 | 405-621-4XXX | 4000–4999 | Assigned | CHICKASAW TELECOMMUNICAIONS SERVICES, INC. | 4630 | BETHANY | OK |
| 2002-10-15 | 405-767-8XXX | 8000–8999 | Assigned | CHICKASAW TELECOMMUNICAIONS SERVICES, INC. | 4630 | BRITTON | OK |
| 2002-09-24 | 405-455-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK | 7258 | MIDWEST CY | OK |
| 2002-08-27 | 405-285-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | EDMOND | OK |
| 2002-08-27 | 405-455-1XXX | 1000–1999 | Assigned | COMCAST IP PHONE, LLC | 318J | MIDWEST CY | OK |
| 2002-08-27 | 405-455-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | MIDWEST CY | OK |
| 2002-08-27 | 405-470-0XXX | 0000–0999 | Assigned | COMCAST IP PHONE, LLC | 318J | BETHANY | OK |
| 2002-08-27 | 405-470-1XXX | 1000–1999 | Assigned | COMCAST IP PHONE, LLC | 318J | BETHANY | OK |
| 2002-08-27 | 405-701-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | NORMAN | OK |
| 2002-06-19 | 405-735-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | MOORE | OK |
| 2002-05-29 | 405-592-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OK | 5257 | HOLDENVL | OK |
| 2002-05-29 | 405-716-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OK | 5257 | SEMINOLE | OK |
| 2002-05-24 | 405-648-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OK | 5257 | ANADARKO | OK |
| 2002-05-23 | 405-796-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | SPENCER | OK |
| 2002-05-13 | 405-207-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PAULS VLY | OK |
| 2002-05-13 | 405-207-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PAULS VLY | OK |
| 2002-05-13 | 405-207-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PAULS VLY | OK |
| 2002-05-09 | 405-588-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - OK | 5257 | CHANDLER | OK |
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.