NumberResearchRecent prefix assignments
369 prefixes assigned in the last 30 days · 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, last 30 days
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2001-06-08 | 636-541 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ST CHARLES | MO |
| 2001-06-08 | 715-338 | AERIAL COMMUNICATIONS, INC. | 6701 | HUDSON | WI |
| 2001-06-08 | 715-350 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | ANTIGO | WI |
| 2001-06-08 | 715-368 | FRONTIER NORTH INC. - WI | 0886 | SPENCER | WI |
| 2001-06-08 | 715-388 | FRONTIER NORTH INC. - WI | 0886 | LCDFLAMBEU | WI |
| 2001-06-08 | 715-391 | FRONTIER NORTH INC. - WI | 0886 | STRATFORD | WI |
| 2001-06-08 | 715-393 | FRONTIER NORTH INC. - WI | 0886 | WAUSAU | WI |
| 2001-06-08 | 715-396 | FRONTIER NORTH INC. - WI | 0886 | OWEN | WI |
| 2001-06-08 | 757-739 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NRFOLKZON2 | VA |
| 2001-06-08 | 920-827 | LEVEL 3 COMMUNICATIONS, LLC - WI | 5489 | NEWHOLSTEN | WI |
| 2001-06-08 | 920-838 | UNITED STATES CELLULAR - WI | 6274 | PLYMOUTH | WI |
| 2001-06-08 | 920-844 | FRONTIER NORTH INC. - WI | 0886 | BRILLION | WI |
| 2001-06-08 | 931-575 | METROPCS, INC. | 5562 | SHELBYVL | TN |
| 2001-06-08 | 954-416 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | HOLLYWOOD | FL |
| 2001-06-07 | 214-413 | SOUTHWESTERN BELL | 9533 | DALLAS | TX |
| 2001-06-07 | 214-870 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX |
| 2001-06-07 | 316-452 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS | 6532 | EL DORADO | KS |
| 2001-06-07 | 316-453 | LEVEL 3 COMMUNICATIONS, LLC - KS | 2240 | MOUNT HOPE | KS |
| 2001-06-07 | 434-850 | GCR TELECOMMUNICATIONS, INC. - VA | 0445 | LYNCHBURG | VA |
| 2001-06-07 | 435-631 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PARK CITY | UT |
| 2001-06-07 | 562-810 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LONG BEACH | CA |
| 2001-06-07 | 573-703 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SIKESTON | MO |
| 2001-06-07 | 620-501 | SOUTHWESTERN BELL | 9533 | MEDICNLODG | KS |
| 2001-06-07 | 620-504 | SOUTHWESTERN BELL | 9533 | MCPHERSON | KS |
| 2001-06-07 | 620-506 | LEVEL 3 COMMUNICATIONS, LLC - KS | 2240 | ARKANSASCY | KS |
| 2001-06-07 | 620-507 | SOUTHWESTERN BELL | 9533 | WELLINGTON | KS |
| 2001-06-07 | 620-508 | SOUTHWESTERN BELL | 9533 | PRATT | KS |
| 2001-06-07 | 620-509 | LEVEL 3 COMMUNICATIONS, LLC - KS | 2240 | LYONS | KS |
| 2001-06-07 | 706-497 | PAETEC ITEL, LLC | 829J | EATONTON | GA |
| 2001-06-07 | 786-256 | METROPCS, INC. | 5562 | PERRINE | FL |
| 2001-06-07 | 786-312 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | MIAMI | FL |
| 2001-06-07 | 786-377 | PAETEC ITEL, LLC | 829J | HOMESTEAD | FL |
| 2001-06-07 | 804-416 | PAETEC ITEL, LLC | 829J | ENON | VA |
| 2001-06-07 | 804-519 | METROPCS, INC. | 5562 | RICHMOND | VA |
| 2001-06-07 | 832-549 | METROPCS, INC. | 5562 | HOUSTON | TX |
| 2001-06-07 | 850-764 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | CHERRYLAKE | FL |
| 2001-06-07 | 941-548 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | ENGLEWOOD | FL |
| 2001-06-07 | 979-549 | SOUTHWESTERN BELL | 9533 | ANGLETON | TX |
| 2001-06-07 | 979-557 | METROPCS, INC. | 5562 | BAY CITY | TX |
| 2001-06-06 | 206-987 | QWEST CORPORATION | 9638 | SEATTLE | WA |
| 2001-06-06 | 234-310 | AT&T - LOCAL | 7421 | GREENSBURG | OH |
| 2001-06-06 | 240-441 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSHNGTNZN6 | MD |
| 2001-06-06 | 240-784 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | MYERSVILLE | MD |
| 2001-06-06 | 240-938 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | ASHTON236 | MD |
| 2001-06-06 | 270-308 | POWERTEL KENTUCKY LICENSES, INC. | 365C | GLASGOW | KY |
| 2001-06-06 | 302-668 | COMCAST IP PHONE, LLC | 318J | WILMINGTON | DE |
| 2001-06-06 | 313-784 | COMCAST IP PHONE, LLC | 318J | DETROITZN1 | MI |
| 2001-06-06 | 330-558 | FRONTIER NORTH, INC. - OH | 0615 | BRUNSWICK | OH |
| 2001-06-06 | 469-201 | SOUTHWESTERN BELL | 9533 | DALLAS | TX |
| 2001-06-06 | 570-279 | METROPCS, INC. | 5562 | WILLIAMSPT | PA |
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.