NumberResearchRecent prefix assignments
59 prefixes assigned in December 2025 · 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, December 2025
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2025-12-31 | 326-243 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | FRANKLIN | OH |
| 2025-12-31 | 346-918 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HSTNSUBURB | TX |
| 2025-12-31 | 380-294 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COLUMBUS | OH |
| 2025-12-31 | 580-998 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ANTLERS | OK |
| 2025-12-29 | 227-305 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN10 | MD |
| 2025-12-29 | 346-916 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LANGHAMCRK | TX |
| 2025-12-29 | 640-298 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BARNEGAT | NJ |
| 2025-12-29 | 725-358 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LAS VEGAS | NV |
| 2025-12-26 | 929-838 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN13 | NY |
| 2025-12-24 | 929-836 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN04 | NY |
| 2025-12-23 | 656-272 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | TAMPACEN | FL |
| 2025-12-19 | 321-531 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | COCOA | FL |
| 2025-12-19 | 321-532 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | COCOA | FL |
| 2025-12-19 | 425-579 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | HALLS LAKE | WA |
| 2025-12-19 | 425-581 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SILVERLAKE | WA |
| 2025-12-18 | 346-914 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CYPRESS | TX |
| 2025-12-18 | 409-375 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WOODVILLE | TX |
| 2025-12-18 | 559-989 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VISALIA | CA |
| 2025-12-18 | 929-830 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN03 | NY |
| 2025-12-17 | 660-331 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CLINTON | MO |
| 2025-12-16 | 234-460 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MANTUA | OH |
| 2025-12-16 | 234-461 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MANTUA | OH |
| 2025-12-16 | 248-261 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BIRMINGHAM | MI |
| 2025-12-16 | 283-238 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CINCINNATI | OH |
| 2025-12-16 | 821-216 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SPARTANBG | SC |
| 2025-12-16 | 947-297 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BIRMINGHAM | MI |
| 2025-12-15 | 434-419 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | DANVILLE | VA |
| 2025-12-15 | 434-456 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | DANVILLE | VA |
| 2025-12-15 | 447-330 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DANVILLE | IL |
| 2025-12-15 | 447-331 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DANVILLE | IL |
| 2025-12-15 | 464-281 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OAK FOR SO | IL |
| 2025-12-15 | 464-282 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OAK FOR SO | IL |
| 2025-12-15 | 606-581 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CORBIN | KY |
| 2025-12-15 | 606-582 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CORBIN | KY |
| 2025-12-15 | 681-993 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHRLSTNZN1 | WV |
| 2025-12-15 | 681-994 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHRLSTNZN1 | WV |
| 2025-12-15 | 938-312 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ROGERSVL | AL |
| 2025-12-15 | 938-313 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ROGERSVL | AL |
| 2025-12-11 | 557-247 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MEHLVILLE | MO |
| 2025-12-10 | 234-459 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AKRON | OH |
| 2025-12-10 | 350-254 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | TRACY | CA |
| 2025-12-10 | 369-237 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LOWER LAKE | CA |
| 2025-12-10 | 434-418 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHARLOTSVL | VA |
| 2025-12-10 | 434-889 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHARLOTSVL | VA |
| 2025-12-10 | 948-253 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWPTNWSZN3 | VA |
| 2025-12-09 | 346-909 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BAMMEL | TX |
| 2025-12-08 | 401-546 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PAWTUCKET | RI |
| 2025-12-08 | 504-965 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NEWORLEANS | LA |
| 2025-12-05 | 219-410 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MERRILLVL | IN |
| 2025-12-05 | 253-440 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | TACOMA | WA |
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.