NumberResearchRecent prefix assignments
20 prefixes assigned in August 2026 · from the daily NANPA CO code file, 09/18/2026
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, August 2026
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-08-27 | 464-288 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OAK FOR SO | IL |
| 2026-08-27 | 464-289 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OAK FOR SO | IL |
| 2026-08-27 | 730-303 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OLNEY | IL |
| 2026-08-27 | 947-298 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BIRMINGHAM | MI |
| 2026-08-26 | 479-604 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ROGERS | AR |
| 2026-08-26 | 975-218 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KANSASCITY | MO |
| 2026-08-24 | 557-263 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ST LOUIS | MO |
| 2026-08-20 | 346-939 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LANGHAMCRK | TX |
| 2026-08-20 | 557-262 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ST LOUIS | MO |
| 2026-08-20 | 730-301 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HERRIN | IL |
| 2026-08-19 | 534-257 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | RHINELANDR | WI |
| 2026-08-19 | 534-258 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | RHINELANDR | WI |
| 2026-08-14 | 224-687 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ALGONQUIN | IL |
| 2026-08-14 | 331-349 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ST CHARLES | IL |
| 2026-08-13 | 235-228 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BIRCH TREE | MO |
| 2026-08-13 | 235-230 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BIRCH TREE | MO |
| 2026-08-13 | 557-261 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KIRKWOOD | MO |
| 2026-08-05 | 409-391 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GALVESTON | TX |
| 2026-08-05 | 712-493 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SIOUX CITY | IA |
| 2026-08-05 | 956-989 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LAREDO | TX |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.