NumberResearchRecent prefix assignments
17 prefixes assigned in May 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, May 2026
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-05-28 | 737-435 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AUSTIN | TX |
| 2026-05-27 | 313-890 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DETROITZN5 | MI |
| 2026-05-27 | 313-901 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DETROITZN5 | MI |
| 2026-05-27 | 313-902 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DETROITZN6 | MI |
| 2026-05-27 | 313-941 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DETROITZN6 | MI |
| 2026-05-27 | 557-254 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LADUE | MO |
| 2026-05-21 | 314-981 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KIRKWOOD | MO |
| 2026-05-21 | 557-253 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KIRKWOOD | MO |
| 2026-05-15 | 945-436 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GRANDPRARI | TX |
| 2026-05-15 | 945-437 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PLANO | TX |
| 2026-05-15 | 945-438 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PLANO | TX |
| 2026-05-13 | 682-494 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ARLINGTON | TX |
| 2026-05-13 | 682-495 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ARLINGTON | TX |
| 2026-05-13 | 956-469 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LAREDO | TX |
| 2026-05-11 | 779-448 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MT CARROLL | IL |
| 2026-05-06 | 346-927 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LANGHAMCRK | TX |
| 2026-05-04 | 235-223 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CAPEGIRARD | MO |
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.