NumberResearchRecent thousands-block assignments
11 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, last 30 days — NPA 573
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 |
|---|---|---|---|---|---|---|---|
| 2007-06-26 | 573-207-0XXX | 0000–0999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | GRAVOIS ML | MO |
| 2007-06-26 | 573-552-8XXX | 8000–8999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | LKOZKOSBCH | MO |
| 2007-06-26 | 573-557-2XXX | 2000–2999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | ELDON | MO |
| 2007-06-26 | 573-569-6XXX | 6000–6999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | VERSAILLES | MO |
| 2007-06-26 | 573-873-2XXX | 2000–2999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | CAMDENTON | MO |
| 2007-06-07 | 573-693-5XXX | 5000–5999 | Assigned | ONVOY, LLC - MO | 093F | LKOZKOSBCH | MO |
| 2007-06-07 | 573-712-5XXX | 5000–5999 | Assigned | ONVOY, LLC - MO | 093F | POPLAR BLF | MO |
| 2007-05-29 | 573-238-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MARBLEHILL | MO |
| 2007-05-25 | 573-388-1XXX | 1000–1999 | Assigned | ONVOY, LLC - MO | 093F | CAPEGIRARD | MO |
| 2007-05-24 | 573-453-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SALEM | MO |
| 2007-05-21 | 573-944-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FREDERCKTN | MO |
| 2007-05-11 | 573-367-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | SAFE | MO |
| 2007-05-07 | 573-777-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | COLUMBIA | MO |
| 2007-04-30 | 573-705-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | FARMINGTON | MO |
| 2007-04-25 | 573-391-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PORTAGEVL | MO |
| 2007-04-25 | 573-705-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | 7432 | FARMINGTON | MO |
| 2007-04-23 | 573-604-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WINONA | MO |
| 2007-04-19 | 573-206-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | BEAUFORT | MO |
| 2007-04-19 | 573-290-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | 7432 | CAPEGIRARD | MO |
| 2007-04-18 | 573-575-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | CARUTHRSVL | MO |
| 2007-04-11 | 573-318-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHAFFEE | MO |
| 2007-04-10 | 573-388-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | CAPEGIRARD | MO |
| 2007-03-29 | 573-873-4XXX | 4000–4999 | Assigned | UNITED STATES CELLULAR - MO | 6275 | CAMDENTON | MO |
| 2007-03-22 | 573-639-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | COLUMBIA | MO |
| 2007-03-21 | 573-253-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MEXICO | MO |
| 2007-03-20 | 573-535-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | STEGNVIEVE | MO |
| 2007-03-15 | 573-200-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | CAPEGIRARD | MO |
| 2007-03-15 | 573-569-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | VERSAILLES | MO |
| 2007-03-06 | 573-218-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FARMINGTON | MO |
| 2007-03-06 | 573-218-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FARMINGTON | MO |
| 2007-03-06 | 573-218-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FARMINGTON | MO |
| 2007-02-27 | 573-705-1XXX | 1000–1999 | Assigned | SOUTHWESTERN BELL | 9533 | FARMINGTON | MO |
| 2007-02-26 | 573-263-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ST JAMES | MO |
| 2007-02-26 | 573-712-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | POPLAR BLF | MO |
| 2007-02-26 | 573-712-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | POPLAR BLF | MO |
| 2007-01-31 | 573-842-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WAYNESVL | MO |
| 2007-01-31 | 573-842-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WAYNESVL | MO |
| 2007-01-31 | 573-842-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WAYNESVL | MO |
| 2007-01-25 | 573-303-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | COLUMBIA | MO |
| 2007-01-25 | 573-303-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | COLUMBIA | MO |
| 2007-01-22 | 573-625-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DEXTER | MO |
| 2007-01-22 | 573-625-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DEXTER | MO |
| 2007-01-17 | 573-202-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ROLLA | MO |
| 2007-01-17 | 573-202-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ROLLA | MO |
| 2007-01-17 | 573-202-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ROLLA | MO |
| 2007-01-17 | 573-239-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBIA | MO |
| 2007-01-17 | 573-239-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBIA | MO |
| 2007-01-17 | 573-717-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KENNETT | MO |
| 2007-01-17 | 573-717-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KENNETT | MO |
| 2007-01-17 | 573-823-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBIA | MO |
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.